21321762

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 57127680

約数和(自身を除く): 35805918

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 49, 57, 66, 77, 98, 114, 133, 147, 154, 209, 231, 266, 294, 347, 399, 418, 462, 539, 627, 694, 798, 931, 1041, 1078, 1254, 1463, 1617, 1862, 2082, 2429, 2793, 2926, 3234, 3817, 4389, 4858, 5586, 6593, 7287, 7634, 8778, 10241, 11451, 13186, 14574, 17003, 19779, 20482, 22902, 26719, 30723, 34006, 39558, 46151, 51009, 53438, 61446, 72523, 80157, 92302, 102018, 138453, 145046, 160314, 187033, 217569, 276906, 323057, 374066, 435138, 507661, 561099, 646114, 969171, 1015322, 1122198, 1522983, 1938342, 3045966, 3553627, 7107254, 10660881, 21321762]

約数ペア:

[(1, 21321762), (2, 10660881), (3, 7107254), (6, 3553627), (7, 3045966), (11, 1938342), (14, 1522983), (19, 1122198), (21, 1015322), (22, 969171), (33, 646114), (38, 561099), (42, 507661), (49, 435138), (57, 374066), (66, 323057), (77, 276906), (98, 217569), (114, 187033), (133, 160314), (147, 145046), (154, 138453), (209, 102018), (231, 92302), (266, 80157), (294, 72523), (347, 61446), (399, 53438), (418, 51009), (462, 46151), (539, 39558), (627, 34006), (694, 30723), (798, 26719), (931, 22902), (1041, 20482), (1078, 19779), (1254, 17003), (1463, 14574), (1617, 13186), (1862, 11451), (2082, 10241), (2429, 8778), (2793, 7634), (2926, 7287), (3234, 6593), (3817, 5586), (4389, 4858)]