21507108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15061}}^1$

素因数の和:15092

約数の個数: 48

約数和(自身を含む): 60729984

約数和(自身を除く): 39222876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15061, 30122, 45183, 60244, 90366, 105427, 180732, 210854, 256037, 316281, 421708, 512074, 632562, 768111, 1024148, 1265124, 1536222, 1792259, 3072444, 3584518, 5376777, 7169036, 10753554, 21507108]

約数ペア:

[(1, 21507108), (2, 10753554), (3, 7169036), (4, 5376777), (6, 3584518), (7, 3072444), (12, 1792259), (14, 1536222), (17, 1265124), (21, 1024148), (28, 768111), (34, 632562), (42, 512074), (51, 421708), (68, 316281), (84, 256037), (102, 210854), (119, 180732), (204, 105427), (238, 90366), (357, 60244), (476, 45183), (714, 30122), (1428, 15061)]