21999832

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 43591680

約数和(自身を除く): 21591848

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 2063, 2666, 4126, 5332, 8252, 10664, 16504, 63953, 88709, 127906, 177418, 255812, 354836, 511624, 709672, 2749979, 5499958, 10999916, 21999832]

約数ペア:

[(1, 21999832), (2, 10999916), (4, 5499958), (8, 2749979), (31, 709672), (43, 511624), (62, 354836), (86, 255812), (124, 177418), (172, 127906), (248, 88709), (344, 63953), (1333, 16504), (2063, 10664), (2666, 8252), (4126, 5332)]