21321540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118453}}^1$

素因数の和:118468

約数の個数: 36

約数和(自身を含む): 64675884

約数和(自身を除く): 43354344

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118453, 236906, 355359, 473812, 592265, 710718, 1066077, 1184530, 1421436, 1776795, 2132154, 2369060, 3553590, 4264308, 5330385, 7107180, 10660770, 21321540]

約数ペア:

[(1, 21321540), (2, 10660770), (3, 7107180), (4, 5330385), (5, 4264308), (6, 3553590), (9, 2369060), (10, 2132154), (12, 1776795), (15, 1421436), (18, 1184530), (20, 1066077), (30, 710718), (36, 592265), (45, 473812), (60, 355359), (90, 236906), (180, 118453)]