21916560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1792

約数の個数: 80

約数和(自身を含む): 69263424

約数和(自身を除く): 47346864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 1723, 2120, 2544, 3180, 3446, 4240, 5169, 6360, 6892, 8615, 10338, 12720, 13784, 17230, 20676, 25845, 27568, 34460, 41352, 51690, 68920, 82704, 91319, 103380, 137840, 182638, 206760, 273957, 365276, 413520, 456595, 547914, 730552, 913190, 1095828, 1369785, 1461104, 1826380, 2191656, 2739570, 3652760, 4383312, 5479140, 7305520, 10958280, 21916560]

約数ペア:

[(1, 21916560), (2, 10958280), (3, 7305520), (4, 5479140), (5, 4383312), (6, 3652760), (8, 2739570), (10, 2191656), (12, 1826380), (15, 1461104), (16, 1369785), (20, 1095828), (24, 913190), (30, 730552), (40, 547914), (48, 456595), (53, 413520), (60, 365276), (80, 273957), (106, 206760), (120, 182638), (159, 137840), (212, 103380), (240, 91319), (265, 82704), (318, 68920), (424, 51690), (530, 41352), (636, 34460), (795, 27568), (848, 25845), (1060, 20676), (1272, 17230), (1590, 13784), (1723, 12720), (2120, 10338), (2544, 8615), (3180, 6892), (3446, 6360), (4240, 5169)]