21623895

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5167}}^1$

素因数の和:5212

約数の個数: 32

約数和(自身を含む): 39690240

約数和(自身を除く): 18066345

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 5167, 15501, 25835, 46503, 77505, 139509, 160177, 232515, 480531, 697545, 800885, 1441593, 2402655, 4324779, 7207965, 21623895]

約数ペア:

[(1, 21623895), (3, 7207965), (5, 4324779), (9, 2402655), (15, 1441593), (27, 800885), (31, 697545), (45, 480531), (93, 232515), (135, 160177), (155, 139509), (279, 77505), (465, 46503), (837, 25835), (1395, 15501), (4185, 5167)]