21200618

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 35389440

約数和(自身を除く): 14188822

約数列:

[1, 2, 19, 23, 38, 46, 127, 191, 254, 382, 437, 874, 2413, 2921, 3629, 4393, 4826, 5842, 7258, 8786, 24257, 48514, 55499, 83467, 110998, 166934, 460883, 557911, 921766, 1115822, 10600309, 21200618]

約数ペア:

[(1, 21200618), (2, 10600309), (19, 1115822), (23, 921766), (38, 557911), (46, 460883), (127, 166934), (191, 110998), (254, 83467), (382, 55499), (437, 48514), (874, 24257), (2413, 8786), (2921, 7258), (3629, 5842), (4393, 4826)]