21141720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58727}}^1$

素因数の和:58744

約数の個数: 48

約数和(自身を含む): 68711760

約数和(自身を除く): 47570040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58727, 117454, 176181, 234908, 293635, 352362, 469816, 528543, 587270, 704724, 880905, 1057086, 1174540, 1409448, 1761810, 2114172, 2349080, 2642715, 3523620, 4228344, 5285430, 7047240, 10570860, 21141720]

約数ペア:

[(1, 21141720), (2, 10570860), (3, 7047240), (4, 5285430), (5, 4228344), (6, 3523620), (8, 2642715), (9, 2349080), (10, 2114172), (12, 1761810), (15, 1409448), (18, 1174540), (20, 1057086), (24, 880905), (30, 704724), (36, 587270), (40, 528543), (45, 469816), (60, 352362), (72, 293635), (90, 234908), (120, 176181), (180, 117454), (360, 58727)]