21415933360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{33601}}^1$

素因数の和:33902

約数の個数: 80

約数和(自身を含む): 51599768832

約数和(自身を除く): 30183835472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 257, 310, 496, 514, 620, 1028, 1240, 1285, 2056, 2480, 2570, 4112, 5140, 7967, 10280, 15934, 20560, 31868, 33601, 39835, 63736, 67202, 79670, 127472, 134404, 159340, 168005, 268808, 318680, 336010, 537616, 637360, 672020, 1041631, 1344040, 2083262, 2688080, 4166524, 5208155, 8333048, 8635457, 10416310, 16666096, 17270914, 20832620, 34541828, 41665240, 43177285, 69083656, 83330480, 86354570, 138167312, 172709140, 267699167, 345418280, 535398334, 690836560, 1070796668, 1338495835, 2141593336, 2676991670, 4283186672, 5353983340, 10707966680, 21415933360]

約数ペア:

[(1, 21415933360), (2, 10707966680), (4, 5353983340), (5, 4283186672), (8, 2676991670), (10, 2141593336), (16, 1338495835), (20, 1070796668), (31, 690836560), (40, 535398334), (62, 345418280), (80, 267699167), (124, 172709140), (155, 138167312), (248, 86354570), (257, 83330480), (310, 69083656), (496, 43177285), (514, 41665240), (620, 34541828), (1028, 20832620), (1240, 17270914), (1285, 16666096), (2056, 10416310), (2480, 8635457), (2570, 8333048), (4112, 5208155), (5140, 4166524), (7967, 2688080), (10280, 2083262), (15934, 1344040), (20560, 1041631), (31868, 672020), (33601, 637360), (39835, 537616), (63736, 336010), (67202, 318680), (79670, 268808), (127472, 168005), (134404, 159340)]