21221236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10067}}^1$

素因数の和:10119

約数の個数: 24

約数和(自身を含む): 40594176

約数和(自身を除く): 19372940

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 10067, 20134, 40268, 171139, 312077, 342278, 624154, 684556, 1248308, 5305309, 10610618, 21221236]

約数ペア:

[(1, 21221236), (2, 10610618), (4, 5305309), (17, 1248308), (31, 684556), (34, 624154), (62, 342278), (68, 312077), (124, 171139), (527, 40268), (1054, 20134), (2108, 10067)]