21318210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{236869}}^1$

素因数の和:236882

約数の個数: 24

約数和(自身を含む): 55427580

約数和(自身を除く): 34109370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 236869, 473738, 710607, 1184345, 1421214, 2131821, 2368690, 3553035, 4263642, 7106070, 10659105, 21318210]

約数ペア:

[(1, 21318210), (2, 10659105), (3, 7106070), (5, 4263642), (6, 3553035), (9, 2368690), (10, 2131821), (15, 1421214), (18, 1184345), (30, 710607), (45, 473738), (90, 236869)]