21458144

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 46040400

約数和(自身を除く): 24582256

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 116, 152, 232, 304, 464, 551, 608, 928, 1102, 1217, 2204, 2434, 4408, 4868, 8816, 9736, 17632, 19472, 23123, 35293, 38944, 46246, 70586, 92492, 141172, 184984, 282344, 369968, 564688, 670567, 739936, 1129376, 1341134, 2682268, 5364536, 10729072, 21458144]

約数ペア:

[(1, 21458144), (2, 10729072), (4, 5364536), (8, 2682268), (16, 1341134), (19, 1129376), (29, 739936), (32, 670567), (38, 564688), (58, 369968), (76, 282344), (116, 184984), (152, 141172), (232, 92492), (304, 70586), (464, 46246), (551, 38944), (608, 35293), (928, 23123), (1102, 19472), (1217, 17632), (2204, 9736), (2434, 8816), (4408, 4868)]