21222840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176857}}^1$

素因数の和:176871

約数の個数: 32

約数和(自身を含む): 63668880

約数和(自身を除く): 42446040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176857, 353714, 530571, 707428, 884285, 1061142, 1414856, 1768570, 2122284, 2652855, 3537140, 4244568, 5305710, 7074280, 10611420, 21222840]

約数ペア:

[(1, 21222840), (2, 10611420), (3, 7074280), (4, 5305710), (5, 4244568), (6, 3537140), (8, 2652855), (10, 2122284), (12, 1768570), (15, 1414856), (20, 1061142), (24, 884285), (30, 707428), (40, 530571), (60, 353714), (120, 176857)]