21200984

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2267}}^1$

素因数の和:2447

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 24521896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2267, 2338, 4534, 4676, 9068, 9352, 15869, 18136, 31738, 63476, 126952, 378589, 757178, 1514356, 2650123, 3028712, 5300246, 10600492, 21200984]

約数ペア:

[(1, 21200984), (2, 10600492), (4, 5300246), (7, 3028712), (8, 2650123), (14, 1514356), (28, 757178), (56, 378589), (167, 126952), (334, 63476), (668, 31738), (1169, 18136), (1336, 15869), (2267, 9352), (2338, 9068), (4534, 4676)]