21461460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4019}}^1$

素因数の和:4120

約数の個数: 48

約数和(自身を含む): 60782400

約数和(自身を除く): 39320940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 4019, 5340, 8038, 12057, 16076, 20095, 24114, 40190, 48228, 60285, 80380, 120570, 241140, 357691, 715382, 1073073, 1430764, 1788455, 2146146, 3576910, 4292292, 5365365, 7153820, 10730730, 21461460]

約数ペア:

[(1, 21461460), (2, 10730730), (3, 7153820), (4, 5365365), (5, 4292292), (6, 3576910), (10, 2146146), (12, 1788455), (15, 1430764), (20, 1073073), (30, 715382), (60, 357691), (89, 241140), (178, 120570), (267, 80380), (356, 60285), (445, 48228), (534, 40190), (890, 24114), (1068, 20095), (1335, 16076), (1780, 12057), (2670, 8038), (4019, 5340)]