21965112

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:813

約数の個数: 96

約数和(自身を含む): 66218880

約数和(自身を除く): 44253768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 744, 757, 806, 936, 1116, 1209, 1514, 1612, 2232, 2271, 2418, 3028, 3224, 3627, 4542, 4836, 6056, 6813, 7254, 9084, 9672, 9841, 13626, 14508, 18168, 19682, 23467, 27252, 29016, 29523, 39364, 46934, 54504, 59046, 70401, 78728, 88569, 93868, 118092, 140802, 177138, 187736, 211203, 236184, 281604, 305071, 354276, 422406, 563208, 610142, 708552, 844812, 915213, 1220284, 1689624, 1830426, 2440568, 2745639, 3660852, 5491278, 7321704, 10982556, 21965112]

約数ペア:

[(1, 21965112), (2, 10982556), (3, 7321704), (4, 5491278), (6, 3660852), (8, 2745639), (9, 2440568), (12, 1830426), (13, 1689624), (18, 1220284), (24, 915213), (26, 844812), (31, 708552), (36, 610142), (39, 563208), (52, 422406), (62, 354276), (72, 305071), (78, 281604), (93, 236184), (104, 211203), (117, 187736), (124, 177138), (156, 140802), (186, 118092), (234, 93868), (248, 88569), (279, 78728), (312, 70401), (372, 59046), (403, 54504), (468, 46934), (558, 39364), (744, 29523), (757, 29016), (806, 27252), (936, 23467), (1116, 19682), (1209, 18168), (1514, 14508), (1612, 13626), (2232, 9841), (2271, 9672), (2418, 9084), (3028, 7254), (3224, 6813), (3627, 6056), (4542, 4836)]