21000836328

素因数分解:

$2^3\times 3^1\times {\mathrm{7129}}^1\times {\mathrm{122743}}^1$

素因数の和:129881

約数の個数: 32

約数和(自身を含む): 52509883200

約数和(自身を除く): 31509046872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 7129, 14258, 21387, 28516, 42774, 57032, 85548, 122743, 171096, 245486, 368229, 490972, 736458, 981944, 1472916, 2945832, 875034847, 1750069694, 2625104541, 3500139388, 5250209082, 7000278776, 10500418164, 21000836328]

約数ペア:

[(1, 21000836328), (2, 10500418164), (3, 7000278776), (4, 5250209082), (6, 3500139388), (8, 2625104541), (12, 1750069694), (24, 875034847), (7129, 2945832), (14258, 1472916), (21387, 981944), (28516, 736458), (42774, 490972), (57032, 368229), (85548, 245486), (122743, 171096)]