21012624

素因数分解:

$2^4\times 3^2\times {\mathrm{337}}^1\times {\mathrm{433}}^1$

素因数の和:784

約数の個数: 60

約数和(自身を含む): 59116876

約数和(自身を除く): 38104252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 337, 433, 674, 866, 1011, 1299, 1348, 1732, 2022, 2598, 2696, 3033, 3464, 3897, 4044, 5196, 5392, 6066, 6928, 7794, 8088, 10392, 12132, 15588, 16176, 20784, 24264, 31176, 48528, 62352, 145921, 291842, 437763, 583684, 875526, 1167368, 1313289, 1751052, 2334736, 2626578, 3502104, 5253156, 7004208, 10506312, 21012624]

約数ペア:

[(1, 21012624), (2, 10506312), (3, 7004208), (4, 5253156), (6, 3502104), (8, 2626578), (9, 2334736), (12, 1751052), (16, 1313289), (18, 1167368), (24, 875526), (36, 583684), (48, 437763), (72, 291842), (144, 145921), (337, 62352), (433, 48528), (674, 31176), (866, 24264), (1011, 20784), (1299, 16176), (1348, 15588), (1732, 12132), (2022, 10392), (2598, 8088), (2696, 7794), (3033, 6928), (3464, 6066), (3897, 5392), (4044, 5196)]