21589624

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 27831176

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 103, 133, 152, 197, 206, 266, 394, 412, 532, 721, 788, 824, 1064, 1379, 1442, 1576, 1957, 2758, 2884, 3743, 3914, 5516, 5768, 7486, 7828, 11032, 13699, 14972, 15656, 20291, 26201, 27398, 29944, 40582, 52402, 54796, 81164, 104804, 109592, 142037, 162328, 209608, 284074, 385529, 568148, 771058, 1136296, 1542116, 2698703, 3084232, 5397406, 10794812, 21589624]

約数ペア:

[(1, 21589624), (2, 10794812), (4, 5397406), (7, 3084232), (8, 2698703), (14, 1542116), (19, 1136296), (28, 771058), (38, 568148), (56, 385529), (76, 284074), (103, 209608), (133, 162328), (152, 142037), (197, 109592), (206, 104804), (266, 81164), (394, 54796), (412, 52402), (532, 40582), (721, 29944), (788, 27398), (824, 26201), (1064, 20291), (1379, 15656), (1442, 14972), (1576, 13699), (1957, 11032), (2758, 7828), (2884, 7486), (3743, 5768), (3914, 5516)]