21104504

素因数分解:

$2^3\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 21443176

約数列:

[1, 2, 4, 8, 37, 41, 47, 74, 82, 94, 148, 164, 188, 296, 328, 376, 1369, 1517, 1739, 1927, 2738, 3034, 3478, 3854, 5476, 6068, 6956, 7708, 10952, 12136, 13912, 15416, 56129, 64343, 71299, 112258, 128686, 142598, 224516, 257372, 285196, 449032, 514744, 570392, 2638063, 5276126, 10552252, 21104504]

約数ペア:

[(1, 21104504), (2, 10552252), (4, 5276126), (8, 2638063), (37, 570392), (41, 514744), (47, 449032), (74, 285196), (82, 257372), (94, 224516), (148, 142598), (164, 128686), (188, 112258), (296, 71299), (328, 64343), (376, 56129), (1369, 15416), (1517, 13912), (1739, 12136), (1927, 10952), (2738, 7708), (3034, 6956), (3478, 6068), (3854, 5476)]