21514090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2713}}^1$

素因数の和:2794

約数の個数: 32

約数和(自身を含む): 42403536

約数和(自身を除く): 20889446

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2713, 3965, 5426, 7930, 13565, 27130, 35269, 70538, 165493, 176345, 330986, 352690, 827465, 1654930, 2151409, 4302818, 10757045, 21514090]

約数ペア:

[(1, 21514090), (2, 10757045), (5, 4302818), (10, 2151409), (13, 1654930), (26, 827465), (61, 352690), (65, 330986), (122, 176345), (130, 165493), (305, 70538), (610, 35269), (793, 27130), (1586, 13565), (2713, 7930), (3965, 5426)]