21721056

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{32323}}^1$

素因数の和:32343

約数の個数: 48

約数和(自身を含む): 65165184

約数和(自身を除く): 43444128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 32323, 64646, 96969, 129292, 193938, 226261, 258584, 387876, 452522, 517168, 678783, 775752, 905044, 1034336, 1357566, 1551504, 1810088, 2715132, 3103008, 3620176, 5430264, 7240352, 10860528, 21721056]

約数ペア:

[(1, 21721056), (2, 10860528), (3, 7240352), (4, 5430264), (6, 3620176), (7, 3103008), (8, 2715132), (12, 1810088), (14, 1551504), (16, 1357566), (21, 1034336), (24, 905044), (28, 775752), (32, 678783), (42, 517168), (48, 452522), (56, 387876), (84, 258584), (96, 226261), (112, 193938), (168, 129292), (224, 96969), (336, 64646), (672, 32323)]