21167972380

素因数分解:

$2^2\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{728423}}^1$

素因数の和:729885

約数の個数: 24

約数和(自身を含む): 44483396832

約数和(自身を除く): 23315424452

約数列:

[1, 2, 4, 5, 10, 20, 1453, 2906, 5812, 7265, 14530, 29060, 728423, 1456846, 2913692, 3642115, 7284230, 14568460, 1058398619, 2116797238, 4233594476, 5291993095, 10583986190, 21167972380]

約数ペア:

[(1, 21167972380), (2, 10583986190), (4, 5291993095), (5, 4233594476), (10, 2116797238), (20, 1058398619), (1453, 14568460), (2906, 7284230), (5812, 3642115), (7265, 2913692), (14530, 1456846), (29060, 728423)]