21904368

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7481}}^1$

素因数の和:7553

約数の個数: 40

約数和(自身を含む): 57521616

約数和(自身を除く): 35617248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7481, 14962, 22443, 29924, 44886, 59848, 89772, 119696, 179544, 359088, 456341, 912682, 1369023, 1825364, 2738046, 3650728, 5476092, 7301456, 10952184, 21904368]

約数ペア:

[(1, 21904368), (2, 10952184), (3, 7301456), (4, 5476092), (6, 3650728), (8, 2738046), (12, 1825364), (16, 1369023), (24, 912682), (48, 456341), (61, 359088), (122, 179544), (183, 119696), (244, 89772), (366, 59848), (488, 44886), (732, 29924), (976, 22443), (1464, 14962), (2928, 7481)]