21397130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3001}}^1$

素因数の和:3062

約数の個数: 32

約数和(自身を含む): 41499648

約数和(自身を除く): 20102518

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3001, 3565, 6002, 7130, 15005, 30010, 69023, 93031, 138046, 186062, 345115, 465155, 690230, 930310, 2139713, 4279426, 10698565, 21397130]

約数ペア:

[(1, 21397130), (2, 10698565), (5, 4279426), (10, 2139713), (23, 930310), (31, 690230), (46, 465155), (62, 345115), (115, 186062), (155, 138046), (230, 93031), (310, 69023), (713, 30010), (1426, 15005), (3001, 7130), (3565, 6002)]