21668008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 42981120

約数和(自身を除く): 21313112

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 1271, 2131, 2542, 4262, 5084, 8524, 10168, 17048, 66061, 87371, 132122, 174742, 264244, 349484, 528488, 698968, 2708501, 5417002, 10834004, 21668008]

約数ペア:

[(1, 21668008), (2, 10834004), (4, 5417002), (8, 2708501), (31, 698968), (41, 528488), (62, 349484), (82, 264244), (124, 174742), (164, 132122), (248, 87371), (328, 66061), (1271, 17048), (2131, 10168), (2542, 8524), (4262, 5084)]