21000288

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9511}}^1$

素因数の和:9547

約数の個数: 48

約数和(自身を含む): 57528576

約数和(自身を除く): 36528288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9511, 19022, 28533, 38044, 57066, 76088, 114132, 152176, 218753, 228264, 304352, 437506, 456528, 656259, 875012, 913056, 1312518, 1750024, 2625036, 3500048, 5250072, 7000096, 10500144, 21000288]

約数ペア:

[(1, 21000288), (2, 10500144), (3, 7000096), (4, 5250072), (6, 3500048), (8, 2625036), (12, 1750024), (16, 1312518), (23, 913056), (24, 875012), (32, 656259), (46, 456528), (48, 437506), (69, 304352), (92, 228264), (96, 218753), (138, 152176), (184, 114132), (276, 76088), (368, 57066), (552, 38044), (736, 28533), (1104, 19022), (2208, 9511)]