21903732

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1033}}^1$

素因数の和:1093

約数の個数: 72

約数和(自身を含む): 60220160

約数和(自身を除く): 38316428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1033, 1116, 1178, 1767, 2066, 2356, 3099, 3534, 4132, 5301, 6198, 7068, 9297, 10602, 12396, 18594, 19627, 21204, 32023, 37188, 39254, 58881, 64046, 78508, 96069, 117762, 128092, 176643, 192138, 235524, 288207, 353286, 384276, 576414, 608437, 706572, 1152828, 1216874, 1825311, 2433748, 3650622, 5475933, 7301244, 10951866, 21903732]

約数ペア:

[(1, 21903732), (2, 10951866), (3, 7301244), (4, 5475933), (6, 3650622), (9, 2433748), (12, 1825311), (18, 1216874), (19, 1152828), (31, 706572), (36, 608437), (38, 576414), (57, 384276), (62, 353286), (76, 288207), (93, 235524), (114, 192138), (124, 176643), (171, 128092), (186, 117762), (228, 96069), (279, 78508), (342, 64046), (372, 58881), (558, 39254), (589, 37188), (684, 32023), (1033, 21204), (1116, 19627), (1178, 18594), (1767, 12396), (2066, 10602), (2356, 9297), (3099, 7068), (3534, 6198), (4132, 5301)]