21489960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179083}}^1$

素因数の和:179097

約数の個数: 32

約数和(自身を含む): 64470240

約数和(自身を除く): 42980280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179083, 358166, 537249, 716332, 895415, 1074498, 1432664, 1790830, 2148996, 2686245, 3581660, 4297992, 5372490, 7163320, 10744980, 21489960]

約数ペア:

[(1, 21489960), (2, 10744980), (3, 7163320), (4, 5372490), (5, 4297992), (6, 3581660), (8, 2686245), (10, 2148996), (12, 1790830), (15, 1432664), (20, 1074498), (24, 895415), (30, 716332), (40, 537249), (60, 358166), (120, 179083)]