21116808

素因数分解:

$2^3\times 3^3\times {\mathrm{59}}^1\times {\mathrm{1657}}^1$

素因数の和:1731

約数の個数: 64

約数和(自身を含む): 59688000

約数和(自身を除く): 38571192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 108, 118, 177, 216, 236, 354, 472, 531, 708, 1062, 1416, 1593, 1657, 2124, 3186, 3314, 4248, 4971, 6372, 6628, 9942, 12744, 13256, 14913, 19884, 29826, 39768, 44739, 59652, 89478, 97763, 119304, 178956, 195526, 293289, 357912, 391052, 586578, 782104, 879867, 1173156, 1759734, 2346312, 2639601, 3519468, 5279202, 7038936, 10558404, 21116808]

約数ペア:

[(1, 21116808), (2, 10558404), (3, 7038936), (4, 5279202), (6, 3519468), (8, 2639601), (9, 2346312), (12, 1759734), (18, 1173156), (24, 879867), (27, 782104), (36, 586578), (54, 391052), (59, 357912), (72, 293289), (108, 195526), (118, 178956), (177, 119304), (216, 97763), (236, 89478), (354, 59652), (472, 44739), (531, 39768), (708, 29826), (1062, 19884), (1416, 14913), (1593, 13256), (1657, 12744), (2124, 9942), (3186, 6628), (3314, 6372), (4248, 4971)]