21842154

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 48803040

約数和(自身を除く): 26960886

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 131, 157, 177, 262, 314, 354, 393, 471, 531, 786, 942, 1062, 1179, 1413, 2358, 2826, 7729, 9263, 15458, 18526, 20567, 23187, 27789, 41134, 46374, 55578, 61701, 69561, 83367, 123402, 139122, 166734, 185103, 370206, 1213453, 2426906, 3640359, 7280718, 10921077, 21842154]

約数ペア:

[(1, 21842154), (2, 10921077), (3, 7280718), (6, 3640359), (9, 2426906), (18, 1213453), (59, 370206), (118, 185103), (131, 166734), (157, 139122), (177, 123402), (262, 83367), (314, 69561), (354, 61701), (393, 55578), (471, 46374), (531, 41134), (786, 27789), (942, 23187), (1062, 20567), (1179, 18526), (1413, 15458), (2358, 9263), (2826, 7729)]