21698784

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{1277}}^1$

素因数の和:1352

約数の個数: 72

約数和(自身を含む): 62800920

約数和(自身を除く): 41102136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1277, 1416, 1888, 2124, 2554, 2832, 3831, 4248, 5108, 5664, 7662, 8496, 10216, 11493, 15324, 16992, 20432, 22986, 30648, 40864, 45972, 61296, 75343, 91944, 122592, 150686, 183888, 226029, 301372, 367776, 452058, 602744, 678087, 904116, 1205488, 1356174, 1808232, 2410976, 2712348, 3616464, 5424696, 7232928, 10849392, 21698784]

約数ペア:

[(1, 21698784), (2, 10849392), (3, 7232928), (4, 5424696), (6, 3616464), (8, 2712348), (9, 2410976), (12, 1808232), (16, 1356174), (18, 1205488), (24, 904116), (32, 678087), (36, 602744), (48, 452058), (59, 367776), (72, 301372), (96, 226029), (118, 183888), (144, 150686), (177, 122592), (236, 91944), (288, 75343), (354, 61296), (472, 45972), (531, 40864), (708, 30648), (944, 22986), (1062, 20432), (1277, 16992), (1416, 15324), (1888, 11493), (2124, 10216), (2554, 8496), (2832, 7662), (3831, 5664), (4248, 5108)]