21354168

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 38158152

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 47, 66, 88, 94, 132, 141, 188, 264, 282, 376, 517, 564, 1034, 1128, 1551, 1721, 2068, 3102, 3442, 4136, 5163, 6204, 6884, 10326, 12408, 13768, 18931, 20652, 37862, 41304, 56793, 75724, 80887, 113586, 151448, 161774, 227172, 242661, 323548, 454344, 485322, 647096, 889757, 970644, 1779514, 1941288, 2669271, 3559028, 5338542, 7118056, 10677084, 21354168]

約数ペア:

[(1, 21354168), (2, 10677084), (3, 7118056), (4, 5338542), (6, 3559028), (8, 2669271), (11, 1941288), (12, 1779514), (22, 970644), (24, 889757), (33, 647096), (44, 485322), (47, 454344), (66, 323548), (88, 242661), (94, 227172), (132, 161774), (141, 151448), (188, 113586), (264, 80887), (282, 75724), (376, 56793), (517, 41304), (564, 37862), (1034, 20652), (1128, 18931), (1551, 13768), (1721, 12408), (2068, 10326), (3102, 6884), (3442, 6204), (4136, 5163)]