21841856

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 56

約数和(自身を含む): 45598080

約数和(自身を除く): 23756224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 101, 109, 124, 202, 218, 248, 404, 436, 496, 808, 872, 992, 1616, 1744, 1984, 3131, 3232, 3379, 3488, 6262, 6464, 6758, 6976, 11009, 12524, 13516, 22018, 25048, 27032, 44036, 50096, 54064, 88072, 100192, 108128, 176144, 200384, 216256, 341279, 352288, 682558, 704576, 1365116, 2730232, 5460464, 10920928, 21841856]

約数ペア:

[(1, 21841856), (2, 10920928), (4, 5460464), (8, 2730232), (16, 1365116), (31, 704576), (32, 682558), (62, 352288), (64, 341279), (101, 216256), (109, 200384), (124, 176144), (202, 108128), (218, 100192), (248, 88072), (404, 54064), (436, 50096), (496, 44036), (808, 27032), (872, 25048), (992, 22018), (1616, 13516), (1744, 12524), (1984, 11009), (3131, 6976), (3232, 6758), (3379, 6464), (3488, 6262)]