21379148

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 23436532

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 113, 116, 203, 226, 233, 406, 452, 466, 791, 812, 932, 1582, 1631, 3164, 3262, 3277, 6524, 6554, 6757, 13108, 13514, 22939, 26329, 27028, 45878, 47299, 52658, 91756, 94598, 105316, 184303, 189196, 368606, 737212, 763541, 1527082, 3054164, 5344787, 10689574, 21379148]

約数ペア:

[(1, 21379148), (2, 10689574), (4, 5344787), (7, 3054164), (14, 1527082), (28, 763541), (29, 737212), (58, 368606), (113, 189196), (116, 184303), (203, 105316), (226, 94598), (233, 91756), (406, 52658), (452, 47299), (466, 45878), (791, 27028), (812, 26329), (932, 22939), (1582, 13514), (1631, 13108), (3164, 6757), (3262, 6554), (3277, 6524)]