21404664

素因数分解:

$2^3\times 3^2\times {\mathrm{271}}^1\times {\mathrm{1097}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 58237920

約数和(自身を除く): 36833256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 271, 542, 813, 1084, 1097, 1626, 2168, 2194, 2439, 3252, 3291, 4388, 4878, 6504, 6582, 8776, 9756, 9873, 13164, 19512, 19746, 26328, 39492, 78984, 297287, 594574, 891861, 1189148, 1783722, 2378296, 2675583, 3567444, 5351166, 7134888, 10702332, 21404664]

約数ペア:

[(1, 21404664), (2, 10702332), (3, 7134888), (4, 5351166), (6, 3567444), (8, 2675583), (9, 2378296), (12, 1783722), (18, 1189148), (24, 891861), (36, 594574), (72, 297287), (271, 78984), (542, 39492), (813, 26328), (1084, 19746), (1097, 19512), (1626, 13164), (2168, 9873), (2194, 9756), (2439, 8776), (3252, 6582), (3291, 6504), (4388, 4878)]