21340680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177839}}^1$

素因数の和:177853

約数の個数: 32

約数和(自身を含む): 64022400

約数和(自身を除く): 42681720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177839, 355678, 533517, 711356, 889195, 1067034, 1422712, 1778390, 2134068, 2667585, 3556780, 4268136, 5335170, 7113560, 10670340, 21340680]

約数ペア:

[(1, 21340680), (2, 10670340), (3, 7113560), (4, 5335170), (5, 4268136), (6, 3556780), (8, 2667585), (10, 2134068), (12, 1778390), (15, 1422712), (20, 1067034), (24, 889195), (30, 711356), (40, 533517), (60, 355678), (120, 177839)]