21085524

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6581}}^1$

素因数の和:6680

約数の個数: 36

約数和(自身を含む): 53906580

約数和(自身を除く): 32821056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6581, 13162, 19743, 26324, 39486, 59229, 78972, 118458, 236916, 585709, 1171418, 1757127, 2342836, 3514254, 5271381, 7028508, 10542762, 21085524]

約数ペア:

[(1, 21085524), (2, 10542762), (3, 7028508), (4, 5271381), (6, 3514254), (9, 2342836), (12, 1757127), (18, 1171418), (36, 585709), (89, 236916), (178, 118458), (267, 78972), (356, 59229), (534, 39486), (801, 26324), (1068, 19743), (1602, 13162), (3204, 6581)]