21025472

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:745

約数の個数: 56

約数和(自身を含む): 46213776

約数和(自身を除く): 25188304

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 683, 832, 962, 1184, 1366, 1924, 2368, 2732, 3848, 5464, 7696, 8879, 10928, 15392, 17758, 21856, 25271, 30784, 35516, 43712, 50542, 71032, 101084, 142064, 202168, 284128, 328523, 404336, 568256, 657046, 808672, 1314092, 1617344, 2628184, 5256368, 10512736, 21025472]

約数ペア:

[(1, 21025472), (2, 10512736), (4, 5256368), (8, 2628184), (13, 1617344), (16, 1314092), (26, 808672), (32, 657046), (37, 568256), (52, 404336), (64, 328523), (74, 284128), (104, 202168), (148, 142064), (208, 101084), (296, 71032), (416, 50542), (481, 43712), (592, 35516), (683, 30784), (832, 25271), (962, 21856), (1184, 17758), (1366, 15392), (1924, 10928), (2368, 8879), (2732, 7696), (3848, 5464)]