21753654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 49593600

約数和(自身を除く): 27839946

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 59, 78, 87, 118, 163, 174, 177, 326, 354, 377, 489, 754, 767, 978, 1131, 1534, 1711, 2119, 2262, 2301, 3422, 4238, 4602, 4727, 5133, 6357, 9454, 9617, 10266, 12714, 14181, 19234, 22243, 28362, 28851, 44486, 57702, 61451, 66729, 122902, 125021, 133458, 184353, 250042, 278893, 368706, 375063, 557786, 750126, 836679, 1673358, 3625609, 7251218, 10876827, 21753654]

約数ペア:

[(1, 21753654), (2, 10876827), (3, 7251218), (6, 3625609), (13, 1673358), (26, 836679), (29, 750126), (39, 557786), (58, 375063), (59, 368706), (78, 278893), (87, 250042), (118, 184353), (163, 133458), (174, 125021), (177, 122902), (326, 66729), (354, 61451), (377, 57702), (489, 44486), (754, 28851), (767, 28362), (978, 22243), (1131, 19234), (1534, 14181), (1711, 12714), (2119, 10266), (2262, 9617), (2301, 9454), (3422, 6357), (4238, 5133), (4602, 4727)]