21004074

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12823}}^1$

素因数の和:12851

約数の個数: 48

約数和(自身を含む): 56015232

約数和(自身を除く): 35011158

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12823, 25646, 38469, 76938, 89761, 115407, 166699, 179522, 230814, 269283, 333398, 500097, 538566, 807849, 1000194, 1166893, 1500291, 1615698, 2333786, 3000582, 3500679, 7001358, 10502037, 21004074]

約数ペア:

[(1, 21004074), (2, 10502037), (3, 7001358), (6, 3500679), (7, 3000582), (9, 2333786), (13, 1615698), (14, 1500291), (18, 1166893), (21, 1000194), (26, 807849), (39, 538566), (42, 500097), (63, 333398), (78, 269283), (91, 230814), (117, 179522), (126, 166699), (182, 115407), (234, 89761), (273, 76938), (546, 38469), (819, 25646), (1638, 12823)]