21634928

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6661}}^1$

素因数の和:6705

約数の個数: 40

約数和(自身を含む): 49565280

約数和(自身を除く): 27930352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6661, 13322, 26644, 46627, 53288, 93254, 106576, 186508, 193169, 373016, 386338, 746032, 772676, 1352183, 1545352, 2704366, 3090704, 5408732, 10817464, 21634928]

約数ペア:

[(1, 21634928), (2, 10817464), (4, 5408732), (7, 3090704), (8, 2704366), (14, 1545352), (16, 1352183), (28, 772676), (29, 746032), (56, 386338), (58, 373016), (112, 193169), (116, 186508), (203, 106576), (232, 93254), (406, 53288), (464, 46627), (812, 26644), (1624, 13322), (3248, 6661)]