21886744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 25391336

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 71, 88, 113, 124, 142, 226, 248, 284, 341, 452, 568, 682, 781, 904, 1243, 1364, 1562, 2201, 2486, 2728, 3124, 3503, 4402, 4972, 6248, 7006, 8023, 8804, 9944, 14012, 16046, 17608, 24211, 28024, 32092, 38533, 48422, 64184, 77066, 88253, 96844, 154132, 176506, 193688, 248713, 308264, 353012, 497426, 706024, 994852, 1989704, 2735843, 5471686, 10943372, 21886744]

約数ペア:

[(1, 21886744), (2, 10943372), (4, 5471686), (8, 2735843), (11, 1989704), (22, 994852), (31, 706024), (44, 497426), (62, 353012), (71, 308264), (88, 248713), (113, 193688), (124, 176506), (142, 154132), (226, 96844), (248, 88253), (284, 77066), (341, 64184), (452, 48422), (568, 38533), (682, 32092), (781, 28024), (904, 24211), (1243, 17608), (1364, 16046), (1562, 14012), (2201, 9944), (2486, 8804), (2728, 8023), (3124, 7006), (3503, 6248), (4402, 4972)]