21248676

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{1087}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 55444480

約数和(自身を除く): 34195804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 1086, 1087, 1629, 2172, 2174, 3258, 3261, 4348, 4887, 6516, 6522, 9774, 9783, 13044, 19548, 19566, 29349, 39132, 58698, 117396, 196747, 393494, 590241, 786988, 1180482, 1770723, 2360964, 3541446, 5312169, 7082892, 10624338, 21248676]

約数ペア:

[(1, 21248676), (2, 10624338), (3, 7082892), (4, 5312169), (6, 3541446), (9, 2360964), (12, 1770723), (18, 1180482), (27, 786988), (36, 590241), (54, 393494), (108, 196747), (181, 117396), (362, 58698), (543, 39132), (724, 29349), (1086, 19566), (1087, 19548), (1629, 13044), (2172, 9783), (2174, 9774), (3258, 6522), (3261, 6516), (4348, 4887)]