21017838

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 44461440

約数和(自身を除く): 23443602

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 331, 557, 662, 993, 1114, 1671, 1986, 3342, 6289, 10583, 12578, 18867, 21166, 31749, 37734, 63498, 184367, 368734, 553101, 1106202, 3502973, 7005946, 10508919, 21017838]

約数ペア:

[(1, 21017838), (2, 10508919), (3, 7005946), (6, 3502973), (19, 1106202), (38, 553101), (57, 368734), (114, 184367), (331, 63498), (557, 37734), (662, 31749), (993, 21166), (1114, 18867), (1671, 12578), (1986, 10583), (3342, 6289)]