21451010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10567}}^1$

素因数の和:10610

約数の個数: 32

約数和(自身を含む): 45653760

約数和(自身を除く): 24202750

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10567, 21134, 52835, 73969, 105670, 147938, 306443, 369845, 612886, 739690, 1532215, 2145101, 3064430, 4290202, 10725505, 21451010]

約数ペア:

[(1, 21451010), (2, 10725505), (5, 4290202), (7, 3064430), (10, 2145101), (14, 1532215), (29, 739690), (35, 612886), (58, 369845), (70, 306443), (145, 147938), (203, 105670), (290, 73969), (406, 52835), (1015, 21134), (2030, 10567)]