21729222

素因数分解:

$2^1\times 3^4\times {\mathrm{113}}^1\times {\mathrm{1187}}^1$

素因数の和:1314

約数の個数: 40

約数和(自身を含む): 49161816

約数和(自身を除く): 27432594

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 113, 162, 226, 339, 678, 1017, 1187, 2034, 2374, 3051, 3561, 6102, 7122, 9153, 10683, 18306, 21366, 32049, 64098, 96147, 134131, 192294, 268262, 402393, 804786, 1207179, 2414358, 3621537, 7243074, 10864611, 21729222]

約数ペア:

[(1, 21729222), (2, 10864611), (3, 7243074), (6, 3621537), (9, 2414358), (18, 1207179), (27, 804786), (54, 402393), (81, 268262), (113, 192294), (162, 134131), (226, 96147), (339, 64098), (678, 32049), (1017, 21366), (1187, 18306), (2034, 10683), (2374, 9153), (3051, 7122), (3561, 6102)]