21463364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 42947520

約数和(自身を除く): 21484156

約数列:

[1, 2, 4, 13, 26, 29, 43, 52, 58, 86, 116, 172, 331, 377, 559, 662, 754, 1118, 1247, 1324, 1508, 2236, 2494, 4303, 4988, 8606, 9599, 14233, 16211, 17212, 19198, 28466, 32422, 38396, 56932, 64844, 124787, 185029, 249574, 370058, 412757, 499148, 740116, 825514, 1651028, 5365841, 10731682, 21463364]

約数ペア:

[(1, 21463364), (2, 10731682), (4, 5365841), (13, 1651028), (26, 825514), (29, 740116), (43, 499148), (52, 412757), (58, 370058), (86, 249574), (116, 185029), (172, 124787), (331, 64844), (377, 56932), (559, 38396), (662, 32422), (754, 28466), (1118, 19198), (1247, 17212), (1324, 16211), (1508, 14233), (2236, 9599), (2494, 8606), (4303, 4988)]