21133025500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1125

約数の個数: 192

約数和(自身を含む): 50889646080

約数和(自身を除く): 29756620580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 73, 76, 95, 100, 124, 125, 146, 155, 190, 250, 292, 310, 365, 380, 475, 500, 589, 620, 730, 775, 950, 983, 1178, 1387, 1460, 1550, 1825, 1900, 1966, 2263, 2356, 2375, 2774, 2945, 3100, 3650, 3875, 3932, 4526, 4750, 4915, 5548, 5890, 6935, 7300, 7750, 9052, 9125, 9500, 9830, 11315, 11780, 13870, 14725, 15500, 18250, 18677, 19660, 22630, 24575, 27740, 29450, 30473, 34675, 36500, 37354, 42997, 45260, 49150, 56575, 58900, 60946, 69350, 71759, 73625, 74708, 85994, 93385, 98300, 113150, 121892, 122875, 138700, 143518, 147250, 152365, 171988, 173375, 186770, 214985, 226300, 245750, 282875, 287036, 294500, 304730, 346750, 358795, 373540, 429970, 466925, 491500, 565750, 578987, 609460, 693500, 717590, 761825, 859940, 933850, 1074925, 1131500, 1157974, 1363421, 1435180, 1523650, 1793975, 1867700, 2149850, 2224529, 2315948, 2334625, 2726842, 2894935, 3047300, 3587950, 3809125, 4299700, 4449058, 4669250, 5374625, 5453684, 5789870, 6817105, 7175900, 7618250, 8898116, 8969875, 9338500, 10749250, 11122645, 11579740, 13634210, 14474675, 15236500, 17939750, 21498500, 22245290, 27268420, 28949350, 34085525, 35879500, 42266051, 44490580, 55613225, 57898700, 68171050, 72373375, 84532102, 111226450, 136342100, 144746750, 169064204, 170427625, 211330255, 222452900, 278066125, 289493500, 340855250, 422660510, 556132250, 681710500, 845321020, 1056651275, 1112264500, 2113302550, 4226605100, 5283256375, 10566512750, 21133025500]

約数ペア:

[(1, 21133025500), (2, 10566512750), (4, 5283256375), (5, 4226605100), (10, 2113302550), (19, 1112264500), (20, 1056651275), (25, 845321020), (31, 681710500), (38, 556132250), (50, 422660510), (62, 340855250), (73, 289493500), (76, 278066125), (95, 222452900), (100, 211330255), (124, 170427625), (125, 169064204), (146, 144746750), (155, 136342100), (190, 111226450), (250, 84532102), (292, 72373375), (310, 68171050), (365, 57898700), (380, 55613225), (475, 44490580), (500, 42266051), (589, 35879500), (620, 34085525), (730, 28949350), (775, 27268420), (950, 22245290), (983, 21498500), (1178, 17939750), (1387, 15236500), (1460, 14474675), (1550, 13634210), (1825, 11579740), (1900, 11122645), (1966, 10749250), (2263, 9338500), (2356, 8969875), (2375, 8898116), (2774, 7618250), (2945, 7175900), (3100, 6817105), (3650, 5789870), (3875, 5453684), (3932, 5374625), (4526, 4669250), (4750, 4449058), (4915, 4299700), (5548, 3809125), (5890, 3587950), (6935, 3047300), (7300, 2894935), (7750, 2726842), (9052, 2334625), (9125, 2315948), (9500, 2224529), (9830, 2149850), (11315, 1867700), (11780, 1793975), (13870, 1523650), (14725, 1435180), (15500, 1363421), (18250, 1157974), (18677, 1131500), (19660, 1074925), (22630, 933850), (24575, 859940), (27740, 761825), (29450, 717590), (30473, 693500), (34675, 609460), (36500, 578987), (37354, 565750), (42997, 491500), (45260, 466925), (49150, 429970), (56575, 373540), (58900, 358795), (60946, 346750), (69350, 304730), (71759, 294500), (73625, 287036), (74708, 282875), (85994, 245750), (93385, 226300), (98300, 214985), (113150, 186770), (121892, 173375), (122875, 171988), (138700, 152365), (143518, 147250)]