21341736

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^2$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 62661690

約数和(自身を除く): 41319954

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 151, 156, 234, 302, 312, 453, 468, 604, 906, 936, 1208, 1359, 1812, 1963, 2718, 3624, 3926, 5436, 5889, 7852, 10872, 11778, 15704, 17667, 22801, 23556, 35334, 45602, 47112, 68403, 70668, 91204, 136806, 141336, 182408, 205209, 273612, 296413, 410418, 547224, 592826, 820836, 889239, 1185652, 1641672, 1778478, 2371304, 2667717, 3556956, 5335434, 7113912, 10670868, 21341736]

約数ペア:

[(1, 21341736), (2, 10670868), (3, 7113912), (4, 5335434), (6, 3556956), (8, 2667717), (9, 2371304), (12, 1778478), (13, 1641672), (18, 1185652), (24, 889239), (26, 820836), (36, 592826), (39, 547224), (52, 410418), (72, 296413), (78, 273612), (104, 205209), (117, 182408), (151, 141336), (156, 136806), (234, 91204), (302, 70668), (312, 68403), (453, 47112), (468, 45602), (604, 35334), (906, 23556), (936, 22801), (1208, 17667), (1359, 15704), (1812, 11778), (1963, 10872), (2718, 7852), (3624, 5889), (3926, 5436)]