21528942

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{409}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 44712960

約数和(自身を除く): 23184018

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 283, 409, 566, 818, 849, 1227, 1698, 2454, 8773, 12679, 17546, 25358, 26319, 38037, 52638, 76074, 115747, 231494, 347241, 694482, 3588157, 7176314, 10764471, 21528942]

約数ペア:

[(1, 21528942), (2, 10764471), (3, 7176314), (6, 3588157), (31, 694482), (62, 347241), (93, 231494), (186, 115747), (283, 76074), (409, 52638), (566, 38037), (818, 26319), (849, 25358), (1227, 17546), (1698, 12679), (2454, 8773)]