21803824

素因数分解:

$2^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 80

約数和(自身を含む): 51336000

約数和(自身を除く): 29532176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 137, 196, 203, 232, 274, 343, 392, 406, 464, 548, 686, 784, 812, 959, 1096, 1372, 1421, 1624, 1918, 2192, 2744, 2842, 3248, 3836, 3973, 5488, 5684, 6713, 7672, 7946, 9947, 11368, 13426, 15344, 15892, 19894, 22736, 26852, 27811, 31784, 39788, 46991, 53704, 55622, 63568, 79576, 93982, 107408, 111244, 159152, 187964, 194677, 222488, 375928, 389354, 444976, 751856, 778708, 1362739, 1557416, 2725478, 3114832, 5450956, 10901912, 21803824]

約数ペア:

[(1, 21803824), (2, 10901912), (4, 5450956), (7, 3114832), (8, 2725478), (14, 1557416), (16, 1362739), (28, 778708), (29, 751856), (49, 444976), (56, 389354), (58, 375928), (98, 222488), (112, 194677), (116, 187964), (137, 159152), (196, 111244), (203, 107408), (232, 93982), (274, 79576), (343, 63568), (392, 55622), (406, 53704), (464, 46991), (548, 39788), (686, 31784), (784, 27811), (812, 26852), (959, 22736), (1096, 19894), (1372, 15892), (1421, 15344), (1624, 13426), (1918, 11368), (2192, 9947), (2744, 7946), (2842, 7672), (3248, 6713), (3836, 5684), (3973, 5488)]