21510064

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{22039}}^1$

素因数の和:22108

約数の個数: 20

約数和(自身を含む): 42360880

約数和(自身を除く): 20850816

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 22039, 44078, 88156, 176312, 352624, 1344379, 2688758, 5377516, 10755032, 21510064]

約数ペア:

[(1, 21510064), (2, 10755032), (4, 5377516), (8, 2688758), (16, 1344379), (61, 352624), (122, 176312), (244, 88156), (488, 44078), (976, 22039)]