21488565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7057}}^1$

素因数の和:7101

約数の個数: 32

約数和(自身を含む): 40654080

約数和(自身を除く): 19165515

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 7057, 21171, 35285, 49399, 105855, 148197, 204653, 246995, 613959, 740985, 1023265, 1432571, 3069795, 4297713, 7162855, 21488565]

約数ペア:

[(1, 21488565), (3, 7162855), (5, 4297713), (7, 3069795), (15, 1432571), (21, 1023265), (29, 740985), (35, 613959), (87, 246995), (105, 204653), (145, 148197), (203, 105855), (435, 49399), (609, 35285), (1015, 21171), (3045, 7057)]