21715910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19341370

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 263, 359, 526, 718, 1315, 1795, 2630, 3590, 6049, 8257, 12098, 16514, 30245, 41285, 60490, 82570, 94417, 188834, 472085, 944170, 2171591, 4343182, 10857955, 21715910]

約数ペア:

[(1, 21715910), (2, 10857955), (5, 4343182), (10, 2171591), (23, 944170), (46, 472085), (115, 188834), (230, 94417), (263, 82570), (359, 60490), (526, 41285), (718, 30245), (1315, 16514), (1795, 12098), (2630, 8257), (3590, 6049)]