21641068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 42565824

約数和(自身を除く): 20924756

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 101, 137, 202, 274, 391, 404, 548, 782, 1564, 1717, 2323, 2329, 3151, 3434, 4646, 4658, 6302, 6868, 9292, 9316, 12604, 13837, 27674, 39491, 53567, 55348, 78982, 107134, 157964, 214268, 235229, 318251, 470458, 636502, 940916, 1273004, 5410267, 10820534, 21641068]

約数ペア:

[(1, 21641068), (2, 10820534), (4, 5410267), (17, 1273004), (23, 940916), (34, 636502), (46, 470458), (68, 318251), (92, 235229), (101, 214268), (137, 157964), (202, 107134), (274, 78982), (391, 55348), (404, 53567), (548, 39491), (782, 27674), (1564, 13837), (1717, 12604), (2323, 9316), (2329, 9292), (3151, 6868), (3434, 6302), (4646, 4658)]