21774836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12457}}^1$

素因数の和:12503

約数の個数: 24

約数和(自身を含む): 41858880

約数和(自身を除く): 20084044

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12457, 24914, 49828, 236683, 286511, 473366, 573022, 946732, 1146044, 5443709, 10887418, 21774836]

約数ペア:

[(1, 21774836), (2, 10887418), (4, 5443709), (19, 1146044), (23, 946732), (38, 573022), (46, 473366), (76, 286511), (92, 236683), (437, 49828), (874, 24914), (1748, 12457)]