21198324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3457}}^1$

素因数の和:3544

約数の個数: 48

約数和(自身を含む): 57319808

約数和(自身を除く): 36121484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 3457, 6132, 6914, 10371, 13828, 20742, 24199, 41484, 48398, 72597, 96796, 145194, 252361, 290388, 504722, 757083, 1009444, 1514166, 1766527, 3028332, 3533054, 5299581, 7066108, 10599162, 21198324]

約数ペア:

[(1, 21198324), (2, 10599162), (3, 7066108), (4, 5299581), (6, 3533054), (7, 3028332), (12, 1766527), (14, 1514166), (21, 1009444), (28, 757083), (42, 504722), (73, 290388), (84, 252361), (146, 145194), (219, 96796), (292, 72597), (438, 48398), (511, 41484), (876, 24199), (1022, 20742), (1533, 13828), (2044, 10371), (3066, 6914), (3457, 6132)]