21563776

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12959}}^1$

素因数の和:12986

約数の個数: 32

約数和(自身を含む): 46267200

約数和(自身を除く): 24703424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12959, 25918, 51836, 103672, 168467, 207344, 336934, 414688, 673868, 829376, 1347736, 1658752, 2695472, 5390944, 10781888, 21563776]

約数ペア:

[(1, 21563776), (2, 10781888), (4, 5390944), (8, 2695472), (13, 1658752), (16, 1347736), (26, 829376), (32, 673868), (52, 414688), (64, 336934), (104, 207344), (128, 168467), (208, 103672), (416, 51836), (832, 25918), (1664, 12959)]