21428100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 108

約数和(自身を含む): 69565860

約数和(自身を除く): 48137760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 145, 150, 174, 180, 225, 261, 290, 300, 348, 435, 450, 522, 580, 725, 821, 870, 900, 1044, 1305, 1450, 1642, 1740, 2175, 2463, 2610, 2900, 3284, 4105, 4350, 4926, 5220, 6525, 7389, 8210, 8700, 9852, 12315, 13050, 14778, 16420, 20525, 23809, 24630, 26100, 29556, 36945, 41050, 47618, 49260, 61575, 71427, 73890, 82100, 95236, 119045, 123150, 142854, 147780, 184725, 214281, 238090, 246300, 285708, 357135, 369450, 428562, 476180, 595225, 714270, 738900, 857124, 1071405, 1190450, 1428540, 1785675, 2142810, 2380900, 3571350, 4285620, 5357025, 7142700, 10714050, 21428100]

約数ペア:

[(1, 21428100), (2, 10714050), (3, 7142700), (4, 5357025), (5, 4285620), (6, 3571350), (9, 2380900), (10, 2142810), (12, 1785675), (15, 1428540), (18, 1190450), (20, 1071405), (25, 857124), (29, 738900), (30, 714270), (36, 595225), (45, 476180), (50, 428562), (58, 369450), (60, 357135), (75, 285708), (87, 246300), (90, 238090), (100, 214281), (116, 184725), (145, 147780), (150, 142854), (174, 123150), (180, 119045), (225, 95236), (261, 82100), (290, 73890), (300, 71427), (348, 61575), (435, 49260), (450, 47618), (522, 41050), (580, 36945), (725, 29556), (821, 26100), (870, 24630), (900, 23809), (1044, 20525), (1305, 16420), (1450, 14778), (1642, 13050), (1740, 12315), (2175, 9852), (2463, 8700), (2610, 8210), (2900, 7389), (3284, 6525), (4105, 5220), (4350, 4926)]