21619230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13597}}^1$

素因数の和:13660

約数の個数: 32

約数和(自身を含む): 52869024

約数和(自身を除く): 31249794

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13597, 27194, 40791, 67985, 81582, 135970, 203955, 407910, 720641, 1441282, 2161923, 3603205, 4323846, 7206410, 10809615, 21619230]

約数ペア:

[(1, 21619230), (2, 10809615), (3, 7206410), (5, 4323846), (6, 3603205), (10, 2161923), (15, 1441282), (30, 720641), (53, 407910), (106, 203955), (159, 135970), (265, 81582), (318, 67985), (530, 40791), (795, 27194), (1590, 13597)]