21549290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3709}}^1$

素因数の和:3806

約数の個数: 32

約数和(自身を含む): 44876160

約数和(自身を除く): 23326870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 3709, 5810, 7418, 18545, 25963, 37090, 51926, 129815, 259630, 307847, 615694, 1539235, 2154929, 3078470, 4309858, 10774645, 21549290]

約数ペア:

[(1, 21549290), (2, 10774645), (5, 4309858), (7, 3078470), (10, 2154929), (14, 1539235), (35, 615694), (70, 307847), (83, 259630), (166, 129815), (415, 51926), (581, 37090), (830, 25963), (1162, 18545), (2905, 7418), (3709, 5810)]