21803850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 62138880

約数和(自身を除く): 40335030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 90, 93, 135, 150, 155, 186, 225, 270, 279, 310, 450, 465, 521, 558, 675, 775, 837, 930, 1042, 1350, 1395, 1550, 1563, 1674, 2325, 2605, 2790, 3126, 4185, 4650, 4689, 5210, 6975, 7815, 8370, 9378, 13025, 13950, 14067, 15630, 16151, 20925, 23445, 26050, 28134, 32302, 39075, 41850, 46890, 48453, 70335, 78150, 80755, 96906, 117225, 140670, 145359, 161510, 234450, 242265, 290718, 351675, 403775, 436077, 484530, 703350, 726795, 807550, 872154, 1211325, 1453590, 2180385, 2422650, 3633975, 4360770, 7267950, 10901925, 21803850]

約数ペア:

[(1, 21803850), (2, 10901925), (3, 7267950), (5, 4360770), (6, 3633975), (9, 2422650), (10, 2180385), (15, 1453590), (18, 1211325), (25, 872154), (27, 807550), (30, 726795), (31, 703350), (45, 484530), (50, 436077), (54, 403775), (62, 351675), (75, 290718), (90, 242265), (93, 234450), (135, 161510), (150, 145359), (155, 140670), (186, 117225), (225, 96906), (270, 80755), (279, 78150), (310, 70335), (450, 48453), (465, 46890), (521, 41850), (558, 39075), (675, 32302), (775, 28134), (837, 26050), (930, 23445), (1042, 20925), (1350, 16151), (1395, 15630), (1550, 14067), (1563, 13950), (1674, 13025), (2325, 9378), (2605, 8370), (2790, 7815), (3126, 6975), (4185, 5210), (4650, 4689)]