21525816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68993}}^1$

素因数の和:69015

約数の個数: 32

約数和(自身を含む): 57954960

約数和(自身を除く): 36429144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68993, 137986, 206979, 275972, 413958, 551944, 827916, 896909, 1655832, 1793818, 2690727, 3587636, 5381454, 7175272, 10762908, 21525816]

約数ペア:

[(1, 21525816), (2, 10762908), (3, 7175272), (4, 5381454), (6, 3587636), (8, 2690727), (12, 1793818), (13, 1655832), (24, 896909), (26, 827916), (39, 551944), (52, 413958), (78, 275972), (104, 206979), (156, 137986), (312, 68993)]