21376246

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 34898688

約数和(自身を除く): 13522442

約数列:

[1, 2, 23, 43, 46, 86, 101, 107, 202, 214, 989, 1978, 2323, 2461, 4343, 4601, 4646, 4922, 8686, 9202, 10807, 21614, 99889, 105823, 199778, 211646, 248561, 464701, 497122, 929402, 10688123, 21376246]

約数ペア:

[(1, 21376246), (2, 10688123), (23, 929402), (43, 497122), (46, 464701), (86, 248561), (101, 211646), (107, 199778), (202, 105823), (214, 99889), (989, 21614), (1978, 10807), (2323, 9202), (2461, 8686), (4343, 4922), (4601, 4646)]