21619172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{601}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 41946156

約数和(自身を除く): 20326984

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 529, 601, 782, 1058, 1202, 1564, 2116, 2404, 8993, 10217, 13823, 17986, 20434, 27646, 35972, 40868, 55292, 234991, 317929, 469982, 635858, 939964, 1271716, 5404793, 10809586, 21619172]

約数ペア:

[(1, 21619172), (2, 10809586), (4, 5404793), (17, 1271716), (23, 939964), (34, 635858), (46, 469982), (68, 317929), (92, 234991), (391, 55292), (529, 40868), (601, 35972), (782, 27646), (1058, 20434), (1202, 17986), (1564, 13823), (2116, 10217), (2404, 8993)]