21495744

素因数分解:

$2^6\times 3^2\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:642

約数の個数: 84

約数和(自身を含む): 62645544

約数和(自身を除く): 41149800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 67, 72, 96, 134, 144, 192, 201, 268, 288, 402, 536, 557, 576, 603, 804, 1072, 1114, 1206, 1608, 1671, 2144, 2228, 2412, 3216, 3342, 4288, 4456, 4824, 5013, 6432, 6684, 8912, 9648, 10026, 12864, 13368, 17824, 19296, 20052, 26736, 35648, 37319, 38592, 40104, 53472, 74638, 80208, 106944, 111957, 149276, 160416, 223914, 298552, 320832, 335871, 447828, 597104, 671742, 895656, 1194208, 1343484, 1791312, 2388416, 2686968, 3582624, 5373936, 7165248, 10747872, 21495744]

約数ペア:

[(1, 21495744), (2, 10747872), (3, 7165248), (4, 5373936), (6, 3582624), (8, 2686968), (9, 2388416), (12, 1791312), (16, 1343484), (18, 1194208), (24, 895656), (32, 671742), (36, 597104), (48, 447828), (64, 335871), (67, 320832), (72, 298552), (96, 223914), (134, 160416), (144, 149276), (192, 111957), (201, 106944), (268, 80208), (288, 74638), (402, 53472), (536, 40104), (557, 38592), (576, 37319), (603, 35648), (804, 26736), (1072, 20052), (1114, 19296), (1206, 17824), (1608, 13368), (1671, 12864), (2144, 10026), (2228, 9648), (2412, 8912), (3216, 6684), (3342, 6432), (4288, 5013), (4456, 4824)]