21411726

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1087}}^1$

素因数の和:1173

約数の個数: 48

約数和(自身を含む): 50605056

約数和(自身を除く): 29193330

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 98, 134, 147, 201, 294, 402, 469, 938, 1087, 1407, 2174, 2814, 3261, 3283, 6522, 6566, 7609, 9849, 15218, 19698, 22827, 45654, 53263, 72829, 106526, 145658, 159789, 218487, 319578, 436974, 509803, 1019606, 1529409, 3058818, 3568621, 7137242, 10705863, 21411726]

約数ペア:

[(1, 21411726), (2, 10705863), (3, 7137242), (6, 3568621), (7, 3058818), (14, 1529409), (21, 1019606), (42, 509803), (49, 436974), (67, 319578), (98, 218487), (134, 159789), (147, 145658), (201, 106526), (294, 72829), (402, 53263), (469, 45654), (938, 22827), (1087, 19698), (1407, 15218), (2174, 9849), (2814, 7609), (3261, 6566), (3283, 6522)]