21000455490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100002169}}^1$

素因数の和:100002186

約数の個数: 32

約数和(自身を含む): 57601249920

約数和(自身を除く): 36600794430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100002169, 200004338, 300006507, 500010845, 600013014, 700015183, 1000021690, 1400030366, 1500032535, 2100045549, 3000065070, 3500075915, 4200091098, 7000151830, 10500227745, 21000455490]

約数ペア:

[(1, 21000455490), (2, 10500227745), (3, 7000151830), (5, 4200091098), (6, 3500075915), (7, 3000065070), (10, 2100045549), (14, 1500032535), (15, 1400030366), (21, 1000021690), (30, 700015183), (35, 600013014), (42, 500010845), (70, 300006507), (105, 200004338), (210, 100002169)]