21725938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 37449216

約数和(自身を除く): 15723278

約数列:

[1, 2, 13, 23, 26, 46, 47, 94, 299, 598, 611, 773, 1081, 1222, 1546, 2162, 10049, 14053, 17779, 20098, 28106, 35558, 36331, 72662, 231127, 462254, 472303, 835613, 944606, 1671226, 10862969, 21725938]

約数ペア:

[(1, 21725938), (2, 10862969), (13, 1671226), (23, 944606), (26, 835613), (46, 472303), (47, 462254), (94, 231127), (299, 72662), (598, 36331), (611, 35558), (773, 28106), (1081, 20098), (1222, 17779), (1546, 14053), (2162, 10049)]