21859500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 192

約数和(自身を含む): 73382400

約数和(自身を除く): 51522900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 59, 60, 65, 75, 76, 78, 95, 100, 114, 118, 125, 130, 150, 156, 177, 190, 195, 228, 236, 247, 250, 260, 285, 295, 300, 325, 354, 375, 380, 390, 475, 494, 500, 570, 590, 650, 708, 741, 750, 767, 780, 885, 950, 975, 988, 1121, 1140, 1180, 1235, 1300, 1425, 1475, 1482, 1500, 1534, 1625, 1770, 1900, 1950, 2242, 2301, 2375, 2470, 2850, 2950, 2964, 3068, 3250, 3363, 3540, 3705, 3835, 3900, 4425, 4484, 4602, 4750, 4875, 4940, 5605, 5700, 5900, 6175, 6500, 6726, 7125, 7375, 7410, 7670, 8850, 9204, 9500, 9750, 11210, 11505, 12350, 13452, 14250, 14573, 14750, 14820, 15340, 16815, 17700, 18525, 19175, 19500, 22125, 22420, 23010, 24700, 28025, 28500, 29146, 29500, 30875, 33630, 37050, 38350, 43719, 44250, 46020, 56050, 57525, 58292, 61750, 67260, 72865, 74100, 76700, 84075, 87438, 88500, 92625, 95875, 112100, 115050, 123500, 140125, 145730, 168150, 174876, 185250, 191750, 218595, 230100, 280250, 287625, 291460, 336300, 364325, 370500, 383500, 420375, 437190, 560500, 575250, 728650, 840750, 874380, 1092975, 1150500, 1457300, 1681500, 1821625, 2185950, 3643250, 4371900, 5464875, 7286500, 10929750, 21859500]

約数ペア:

[(1, 21859500), (2, 10929750), (3, 7286500), (4, 5464875), (5, 4371900), (6, 3643250), (10, 2185950), (12, 1821625), (13, 1681500), (15, 1457300), (19, 1150500), (20, 1092975), (25, 874380), (26, 840750), (30, 728650), (38, 575250), (39, 560500), (50, 437190), (52, 420375), (57, 383500), (59, 370500), (60, 364325), (65, 336300), (75, 291460), (76, 287625), (78, 280250), (95, 230100), (100, 218595), (114, 191750), (118, 185250), (125, 174876), (130, 168150), (150, 145730), (156, 140125), (177, 123500), (190, 115050), (195, 112100), (228, 95875), (236, 92625), (247, 88500), (250, 87438), (260, 84075), (285, 76700), (295, 74100), (300, 72865), (325, 67260), (354, 61750), (375, 58292), (380, 57525), (390, 56050), (475, 46020), (494, 44250), (500, 43719), (570, 38350), (590, 37050), (650, 33630), (708, 30875), (741, 29500), (750, 29146), (767, 28500), (780, 28025), (885, 24700), (950, 23010), (975, 22420), (988, 22125), (1121, 19500), (1140, 19175), (1180, 18525), (1235, 17700), (1300, 16815), (1425, 15340), (1475, 14820), (1482, 14750), (1500, 14573), (1534, 14250), (1625, 13452), (1770, 12350), (1900, 11505), (1950, 11210), (2242, 9750), (2301, 9500), (2375, 9204), (2470, 8850), (2850, 7670), (2950, 7410), (2964, 7375), (3068, 7125), (3250, 6726), (3363, 6500), (3540, 6175), (3705, 5900), (3835, 5700), (3900, 5605), (4425, 4940), (4484, 4875), (4602, 4750)]