21665502

素因数分解:

$2^1\times 3^3\times {\mathrm{421}}^1\times {\mathrm{953}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 48310560

約数和(自身を除く): 26645058

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 421, 842, 953, 1263, 1906, 2526, 2859, 3789, 5718, 7578, 8577, 11367, 17154, 22734, 25731, 51462, 401213, 802426, 1203639, 2407278, 3610917, 7221834, 10832751, 21665502]

約数ペア:

[(1, 21665502), (2, 10832751), (3, 7221834), (6, 3610917), (9, 2407278), (18, 1203639), (27, 802426), (54, 401213), (421, 51462), (842, 25731), (953, 22734), (1263, 17154), (1906, 11367), (2526, 8577), (2859, 7578), (3789, 5718)]