21594160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38561}}^1$

素因数の和:38581

約数の個数: 40

約数和(自身を含む): 57380256

約数和(自身を除く): 35786096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38561, 77122, 154244, 192805, 269927, 308488, 385610, 539854, 616976, 771220, 1079708, 1349635, 1542440, 2159416, 2699270, 3084880, 4318832, 5398540, 10797080, 21594160]

約数ペア:

[(1, 21594160), (2, 10797080), (4, 5398540), (5, 4318832), (7, 3084880), (8, 2699270), (10, 2159416), (14, 1542440), (16, 1349635), (20, 1079708), (28, 771220), (35, 616976), (40, 539854), (56, 385610), (70, 308488), (80, 269927), (112, 192805), (140, 154244), (280, 77122), (560, 38561)]