21315030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64591}}^1$

素因数の和:64612

約数の個数: 32

約数和(自身を含む): 55807488

約数和(自身を除く): 34492458

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64591, 129182, 193773, 322955, 387546, 645910, 710501, 968865, 1421002, 1937730, 2131503, 3552505, 4263006, 7105010, 10657515, 21315030]

約数ペア:

[(1, 21315030), (2, 10657515), (3, 7105010), (5, 4263006), (6, 3552505), (10, 2131503), (11, 1937730), (15, 1421002), (22, 968865), (30, 710501), (33, 645910), (55, 387546), (66, 322955), (110, 193773), (165, 129182), (330, 64591)]