21875482010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70566071}}^1$

素因数の和:70566109

約数の個数: 16

約数和(自身を含む): 40646057472

約数和(自身を除く): 18770575462

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 70566071, 141132142, 352830355, 705660710, 2187548201, 4375096402, 10937741005, 21875482010]

約数ペア:

[(1, 21875482010), (2, 10937741005), (5, 4375096402), (10, 2187548201), (31, 705660710), (62, 352830355), (155, 141132142), (310, 70566071)]