21983730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10321}}^1$

素因数の和:10402

約数の個数: 32

約数和(自身を含む): 53509248

約数和(自身を除く): 31525518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 10321, 20642, 30963, 51605, 61926, 103210, 154815, 309630, 732791, 1465582, 2198373, 3663955, 4396746, 7327910, 10991865, 21983730]

約数ペア:

[(1, 21983730), (2, 10991865), (3, 7327910), (5, 4396746), (6, 3663955), (10, 2198373), (15, 1465582), (30, 732791), (71, 309630), (142, 154815), (213, 103210), (355, 61926), (426, 51605), (710, 30963), (1065, 20642), (2130, 10321)]