21790830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23431}}^1$

素因数の和:23472

約数の個数: 32

約数和(自身を含む): 53987328

約数和(自身を除く): 32196498

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23431, 46862, 70293, 117155, 140586, 234310, 351465, 702930, 726361, 1452722, 2179083, 3631805, 4358166, 7263610, 10895415, 21790830]

約数ペア:

[(1, 21790830), (2, 10895415), (3, 7263610), (5, 4358166), (6, 3631805), (10, 2179083), (15, 1452722), (30, 726361), (31, 702930), (62, 351465), (93, 234310), (155, 140586), (186, 117155), (310, 70293), (465, 46862), (930, 23431)]