21040182

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20507}}^1$

素因数の和:20537

約数の個数: 32

約数和(自身を含む): 49219200

約数和(自身を除く): 28179018

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20507, 41014, 61521, 123042, 184563, 369126, 389633, 553689, 779266, 1107378, 1168899, 2337798, 3506697, 7013394, 10520091, 21040182]

約数ペア:

[(1, 21040182), (2, 10520091), (3, 7013394), (6, 3506697), (9, 2337798), (18, 1168899), (19, 1107378), (27, 779266), (38, 553689), (54, 389633), (57, 369126), (114, 184563), (171, 123042), (342, 61521), (513, 41014), (1026, 20507)]