21302940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355049}}^1$

素因数の和:355061

約数の個数: 24

約数和(自身を含む): 59648400

約数和(自身を除く): 38345460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355049, 710098, 1065147, 1420196, 1775245, 2130294, 3550490, 4260588, 5325735, 7100980, 10651470, 21302940]

約数ペア:

[(1, 21302940), (2, 10651470), (3, 7100980), (4, 5325735), (5, 4260588), (6, 3550490), (10, 2130294), (12, 1775245), (15, 1420196), (20, 1065147), (30, 710098), (60, 355049)]