21908224

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 48933360

約数和(自身を除く): 27025136

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 227, 232, 256, 377, 416, 454, 464, 754, 832, 908, 928, 1508, 1664, 1816, 1856, 2951, 3016, 3328, 3632, 3712, 5902, 6032, 6583, 7264, 7424, 11804, 12064, 13166, 14528, 23608, 24128, 26332, 29056, 47216, 48256, 52664, 58112, 85579, 94432, 96512, 105328, 171158, 188864, 210656, 342316, 377728, 421312, 684632, 755456, 842624, 1369264, 1685248, 2738528, 5477056, 10954112, 21908224]

約数ペア:

[(1, 21908224), (2, 10954112), (4, 5477056), (8, 2738528), (13, 1685248), (16, 1369264), (26, 842624), (29, 755456), (32, 684632), (52, 421312), (58, 377728), (64, 342316), (104, 210656), (116, 188864), (128, 171158), (208, 105328), (227, 96512), (232, 94432), (256, 85579), (377, 58112), (416, 52664), (454, 48256), (464, 47216), (754, 29056), (832, 26332), (908, 24128), (928, 23608), (1508, 14528), (1664, 13166), (1816, 12064), (1856, 11804), (2951, 7424), (3016, 7264), (3328, 6583), (3632, 6032), (3712, 5902)]