21286200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2729}}^1$

素因数の和:2761

約数の個数: 96

約数和(自身を含む): 71089200

約数和(自身を除く): 49803000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2729, 3900, 5458, 7800, 8187, 10916, 13645, 16374, 21832, 27290, 32748, 35477, 40935, 54580, 65496, 68225, 70954, 81870, 106431, 109160, 136450, 141908, 163740, 177385, 204675, 212862, 272900, 283816, 327480, 354770, 409350, 425724, 532155, 545800, 709540, 818700, 851448, 886925, 1064310, 1419080, 1637400, 1773850, 2128620, 2660775, 3547700, 4257240, 5321550, 7095400, 10643100, 21286200]

約数ペア:

[(1, 21286200), (2, 10643100), (3, 7095400), (4, 5321550), (5, 4257240), (6, 3547700), (8, 2660775), (10, 2128620), (12, 1773850), (13, 1637400), (15, 1419080), (20, 1064310), (24, 886925), (25, 851448), (26, 818700), (30, 709540), (39, 545800), (40, 532155), (50, 425724), (52, 409350), (60, 354770), (65, 327480), (75, 283816), (78, 272900), (100, 212862), (104, 204675), (120, 177385), (130, 163740), (150, 141908), (156, 136450), (195, 109160), (200, 106431), (260, 81870), (300, 70954), (312, 68225), (325, 65496), (390, 54580), (520, 40935), (600, 35477), (650, 32748), (780, 27290), (975, 21832), (1300, 16374), (1560, 13645), (1950, 10916), (2600, 8187), (2729, 7800), (3900, 5458)]