21789670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 25488410

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 47, 70, 74, 94, 179, 185, 235, 259, 329, 358, 370, 470, 518, 658, 895, 1253, 1295, 1645, 1739, 1790, 2506, 2590, 3290, 3478, 6265, 6623, 8413, 8695, 12173, 12530, 13246, 16826, 17390, 24346, 33115, 42065, 46361, 58891, 60865, 66230, 84130, 92722, 117782, 121730, 231805, 294455, 311281, 463610, 588910, 622562, 1556405, 2178967, 3112810, 4357934, 10894835, 21789670]

約数ペア:

[(1, 21789670), (2, 10894835), (5, 4357934), (7, 3112810), (10, 2178967), (14, 1556405), (35, 622562), (37, 588910), (47, 463610), (70, 311281), (74, 294455), (94, 231805), (179, 121730), (185, 117782), (235, 92722), (259, 84130), (329, 66230), (358, 60865), (370, 58891), (470, 46361), (518, 42065), (658, 33115), (895, 24346), (1253, 17390), (1295, 16826), (1645, 13246), (1739, 12530), (1790, 12173), (2506, 8695), (2590, 8413), (3290, 6623), (3478, 6265)]