21555012

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 52016832

約数和(自身を除く): 30461820

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 193, 227, 246, 386, 454, 492, 579, 681, 772, 908, 1158, 1362, 2316, 2724, 7913, 9307, 15826, 18614, 23739, 27921, 31652, 37228, 43811, 47478, 55842, 87622, 94956, 111684, 131433, 175244, 262866, 525732, 1796251, 3592502, 5388753, 7185004, 10777506, 21555012]

約数ペア:

[(1, 21555012), (2, 10777506), (3, 7185004), (4, 5388753), (6, 3592502), (12, 1796251), (41, 525732), (82, 262866), (123, 175244), (164, 131433), (193, 111684), (227, 94956), (246, 87622), (386, 55842), (454, 47478), (492, 43811), (579, 37228), (681, 31652), (772, 27921), (908, 23739), (1158, 18614), (1362, 15826), (2316, 9307), (2724, 7913)]