21018672

素因数分解:

$2^4\times 3^2\times {\mathrm{145963}}^1$

素因数の和:145977

約数の個数: 30

約数和(自身を含む): 58823492

約数和(自身を除く): 37804820

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145963, 291926, 437889, 583852, 875778, 1167704, 1313667, 1751556, 2335408, 2627334, 3503112, 5254668, 7006224, 10509336, 21018672]

約数ペア:

[(1, 21018672), (2, 10509336), (3, 7006224), (4, 5254668), (6, 3503112), (8, 2627334), (9, 2335408), (12, 1751556), (16, 1313667), (18, 1167704), (24, 875778), (36, 583852), (48, 437889), (72, 291926), (144, 145963)]