21000887946

素因数分解:

$2^1\times 3^2\times {\mathrm{7307}}^1\times {\mathrm{159671}}^1$

素因数の和:166986

約数の個数: 24

約数和(自身を含む): 45508436064

約数和(自身を除く): 24507548118

約数列:

[1, 2, 3, 6, 9, 18, 7307, 14614, 21921, 43842, 65763, 131526, 159671, 319342, 479013, 958026, 1437039, 2874078, 1166715997, 2333431994, 3500147991, 7000295982, 10500443973, 21000887946]

約数ペア:

[(1, 21000887946), (2, 10500443973), (3, 7000295982), (6, 3500147991), (9, 2333431994), (18, 1166715997), (7307, 2874078), (14614, 1437039), (21921, 958026), (43842, 479013), (65763, 319342), (131526, 159671)]