21370656

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 59609088

約数和(自身を除く): 38238432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 43, 48, 62, 86, 93, 96, 124, 129, 167, 172, 186, 248, 258, 334, 344, 372, 496, 501, 516, 668, 688, 744, 992, 1002, 1032, 1333, 1336, 1376, 1488, 2004, 2064, 2666, 2672, 2976, 3999, 4008, 4128, 5177, 5332, 5344, 7181, 7998, 8016, 10354, 10664, 14362, 15531, 15996, 16032, 20708, 21328, 21543, 28724, 31062, 31992, 41416, 42656, 43086, 57448, 62124, 63984, 82832, 86172, 114896, 124248, 127968, 165664, 172344, 222611, 229792, 248496, 344688, 445222, 496992, 667833, 689376, 890444, 1335666, 1780888, 2671332, 3561776, 5342664, 7123552, 10685328, 21370656]

約数ペア:

[(1, 21370656), (2, 10685328), (3, 7123552), (4, 5342664), (6, 3561776), (8, 2671332), (12, 1780888), (16, 1335666), (24, 890444), (31, 689376), (32, 667833), (43, 496992), (48, 445222), (62, 344688), (86, 248496), (93, 229792), (96, 222611), (124, 172344), (129, 165664), (167, 127968), (172, 124248), (186, 114896), (248, 86172), (258, 82832), (334, 63984), (344, 62124), (372, 57448), (496, 43086), (501, 42656), (516, 41416), (668, 31992), (688, 31062), (744, 28724), (992, 21543), (1002, 21328), (1032, 20708), (1333, 16032), (1336, 15996), (1376, 15531), (1488, 14362), (2004, 10664), (2064, 10354), (2666, 8016), (2672, 7998), (2976, 7181), (3999, 5344), (4008, 5332), (4128, 5177)]