21340712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4241}}^1$

素因数の和:4301

約数の個数: 32

約数和(自身を含む): 43522920

約数和(自身を除く): 22182208

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4241, 5032, 8482, 16964, 33928, 72097, 144194, 156917, 288388, 313834, 576776, 627668, 1255336, 2667589, 5335178, 10670356, 21340712]

約数ペア:

[(1, 21340712), (2, 10670356), (4, 5335178), (8, 2667589), (17, 1255336), (34, 627668), (37, 576776), (68, 313834), (74, 288388), (136, 156917), (148, 144194), (296, 72097), (629, 33928), (1258, 16964), (2516, 8482), (4241, 5032)]