21398142

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8161}}^1$

素因数の和:8208

約数の個数: 32

約数和(自身を含む): 47013120

約数和(自身を除く): 25614978

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 8161, 16322, 24483, 48966, 155059, 187703, 310118, 375406, 465177, 563109, 930354, 1126218, 3566357, 7132714, 10699071, 21398142]

約数ペア:

[(1, 21398142), (2, 10699071), (3, 7132714), (6, 3566357), (19, 1126218), (23, 930354), (38, 563109), (46, 465177), (57, 375406), (69, 310118), (114, 187703), (138, 155059), (437, 48966), (874, 24483), (1311, 16322), (2622, 8161)]