21751912

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29879}}^1$

素因数の和:29905

約数の個数: 32

約数和(自身を含む): 50198400

約数和(自身を除く): 28446488

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29879, 59758, 119516, 209153, 239032, 388427, 418306, 776854, 836612, 1553708, 1673224, 2718989, 3107416, 5437978, 10875956, 21751912]

約数ペア:

[(1, 21751912), (2, 10875956), (4, 5437978), (7, 3107416), (8, 2718989), (13, 1673224), (14, 1553708), (26, 836612), (28, 776854), (52, 418306), (56, 388427), (91, 239032), (104, 209153), (182, 119516), (364, 59758), (728, 29879)]