21359664

素因数分解:

$2^4\times 3^2\times {\mathrm{148331}}^1$

素因数の和:148345

約数の個数: 30

約数和(自身を含む): 59777796

約数和(自身を除く): 38418132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 148331, 296662, 444993, 593324, 889986, 1186648, 1334979, 1779972, 2373296, 2669958, 3559944, 5339916, 7119888, 10679832, 21359664]

約数ペア:

[(1, 21359664), (2, 10679832), (3, 7119888), (4, 5339916), (6, 3559944), (8, 2669958), (9, 2373296), (12, 1779972), (16, 1334979), (18, 1186648), (24, 889986), (36, 593324), (48, 444993), (72, 296662), (144, 148331)]