21282470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25373530

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 323, 374, 418, 599, 646, 935, 1045, 1198, 1615, 1870, 2090, 2995, 3230, 3553, 5990, 6589, 7106, 10183, 11381, 13178, 17765, 20366, 22762, 32945, 35530, 50915, 56905, 65890, 101830, 112013, 113810, 125191, 193477, 224026, 250382, 386954, 560065, 625955, 967385, 1120130, 1251910, 1934770, 2128247, 4256494, 10641235, 21282470]

約数ペア:

[(1, 21282470), (2, 10641235), (5, 4256494), (10, 2128247), (11, 1934770), (17, 1251910), (19, 1120130), (22, 967385), (34, 625955), (38, 560065), (55, 386954), (85, 250382), (95, 224026), (110, 193477), (170, 125191), (187, 113810), (190, 112013), (209, 101830), (323, 65890), (374, 56905), (418, 50915), (599, 35530), (646, 32945), (935, 22762), (1045, 20366), (1198, 17765), (1615, 13178), (1870, 11381), (2090, 10183), (2995, 7106), (3230, 6589), (3553, 5990)]