21018648

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 62339760

約数和(自身を除く): 41321112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 61, 84, 98, 122, 147, 168, 183, 196, 244, 293, 294, 366, 392, 427, 488, 586, 588, 732, 854, 879, 1172, 1176, 1281, 1464, 1708, 1758, 2051, 2344, 2562, 2989, 3416, 3516, 4102, 5124, 5978, 6153, 7032, 8204, 8967, 10248, 11956, 12306, 14357, 16408, 17873, 17934, 23912, 24612, 28714, 35746, 35868, 43071, 49224, 53619, 57428, 71492, 71736, 86142, 107238, 114856, 125111, 142984, 172284, 214476, 250222, 344568, 375333, 428952, 500444, 750666, 875777, 1000888, 1501332, 1751554, 2627331, 3002664, 3503108, 5254662, 7006216, 10509324, 21018648]

約数ペア:

[(1, 21018648), (2, 10509324), (3, 7006216), (4, 5254662), (6, 3503108), (7, 3002664), (8, 2627331), (12, 1751554), (14, 1501332), (21, 1000888), (24, 875777), (28, 750666), (42, 500444), (49, 428952), (56, 375333), (61, 344568), (84, 250222), (98, 214476), (122, 172284), (147, 142984), (168, 125111), (183, 114856), (196, 107238), (244, 86142), (293, 71736), (294, 71492), (366, 57428), (392, 53619), (427, 49224), (488, 43071), (586, 35868), (588, 35746), (732, 28714), (854, 24612), (879, 23912), (1172, 17934), (1176, 17873), (1281, 16408), (1464, 14357), (1708, 12306), (1758, 11956), (2051, 10248), (2344, 8967), (2562, 8204), (2989, 7032), (3416, 6153), (3516, 5978), (4102, 5124)]