21225990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2039}}^1$

素因数の和:2396

約数の個数: 32

約数和(自身を含む): 51114240

約数和(自身を除く): 29888250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 347, 694, 1041, 1735, 2039, 2082, 3470, 4078, 5205, 6117, 10195, 10410, 12234, 20390, 30585, 61170, 707533, 1415066, 2122599, 3537665, 4245198, 7075330, 10612995, 21225990]

約数ペア:

[(1, 21225990), (2, 10612995), (3, 7075330), (5, 4245198), (6, 3537665), (10, 2122599), (15, 1415066), (30, 707533), (347, 61170), (694, 30585), (1041, 20390), (1735, 12234), (2039, 10410), (2082, 10195), (3470, 6117), (4078, 5205)]