21009720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175081}}^1$

素因数の和:175095

約数の個数: 32

約数和(自身を含む): 63029520

約数和(自身を除く): 42019800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175081, 350162, 525243, 700324, 875405, 1050486, 1400648, 1750810, 2100972, 2626215, 3501620, 4201944, 5252430, 7003240, 10504860, 21009720]

約数ペア:

[(1, 21009720), (2, 10504860), (3, 7003240), (4, 5252430), (5, 4201944), (6, 3501620), (8, 2626215), (10, 2100972), (12, 1750810), (15, 1400648), (20, 1050486), (24, 875405), (30, 700324), (40, 525243), (60, 350162), (120, 175081)]