21317380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152267}}^1$

素因数の和:152283

約数の個数: 24

約数和(自身を含む): 51162048

約数和(自身を除く): 29844668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152267, 304534, 609068, 761335, 1065869, 1522670, 2131738, 3045340, 4263476, 5329345, 10658690, 21317380]

約数ペア:

[(1, 21317380), (2, 10658690), (4, 5329345), (5, 4263476), (7, 3045340), (10, 2131738), (14, 1522670), (20, 1065869), (28, 761335), (35, 609068), (70, 304534), (140, 152267)]