21415710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13469}}^1$

素因数の和:13532

約数の個数: 32

約数和(自身を含む): 52371360

約数和(自身を除く): 30955650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13469, 26938, 40407, 67345, 80814, 134690, 202035, 404070, 713857, 1427714, 2141571, 3569285, 4283142, 7138570, 10707855, 21415710]

約数ペア:

[(1, 21415710), (2, 10707855), (3, 7138570), (5, 4283142), (6, 3569285), (10, 2141571), (15, 1427714), (30, 713857), (53, 404070), (106, 202035), (159, 134690), (265, 80814), (318, 67345), (530, 40407), (795, 26938), (1590, 13469)]