21969960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{821}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 66286080

約数和(自身を除く): 44316120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 821, 892, 1115, 1338, 1642, 1784, 2230, 2463, 2676, 3284, 3345, 4105, 4460, 4926, 5352, 6568, 6690, 8210, 8920, 9852, 12315, 13380, 16420, 19704, 24630, 26760, 32840, 49260, 98520, 183083, 366166, 549249, 732332, 915415, 1098498, 1464664, 1830830, 2196996, 2746245, 3661660, 4393992, 5492490, 7323320, 10984980, 21969960]

約数ペア:

[(1, 21969960), (2, 10984980), (3, 7323320), (4, 5492490), (5, 4393992), (6, 3661660), (8, 2746245), (10, 2196996), (12, 1830830), (15, 1464664), (20, 1098498), (24, 915415), (30, 732332), (40, 549249), (60, 366166), (120, 183083), (223, 98520), (446, 49260), (669, 32840), (821, 26760), (892, 24630), (1115, 19704), (1338, 16420), (1642, 13380), (1784, 12315), (2230, 9852), (2463, 8920), (2676, 8210), (3284, 6690), (3345, 6568), (4105, 5352), (4460, 4926)]