21000929044

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{239}}^1\times {\mathrm{22859}}^1$

素因数の和:23164

約数の個数: 36

約数和(自身を含む): 38135966400

約数和(自身を除く): 17135037356

約数列:

[1, 2, 4, 31, 62, 124, 239, 478, 956, 961, 1922, 3844, 7409, 14818, 22859, 29636, 45718, 91436, 229679, 459358, 708629, 918716, 1417258, 2834516, 5463301, 10926602, 21853204, 21967499, 43934998, 87869996, 169362331, 338724662, 677449324, 5250232261, 10500464522, 21000929044]

約数ペア:

[(1, 21000929044), (2, 10500464522), (4, 5250232261), (31, 677449324), (62, 338724662), (124, 169362331), (239, 87869996), (478, 43934998), (956, 21967499), (961, 21853204), (1922, 10926602), (3844, 5463301), (7409, 2834516), (14818, 1417258), (22859, 918716), (29636, 708629), (45718, 459358), (91436, 229679)]