21637158

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 48018096

約数和(自身を除く): 26380938

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 401, 529, 782, 802, 1058, 1173, 1203, 1587, 2346, 2406, 3174, 6817, 8993, 9223, 13634, 17986, 18446, 20451, 26979, 27669, 40902, 53958, 55338, 156791, 212129, 313582, 424258, 470373, 636387, 940746, 1272774, 3606193, 7212386, 10818579, 21637158]

約数ペア:

[(1, 21637158), (2, 10818579), (3, 7212386), (6, 3606193), (17, 1272774), (23, 940746), (34, 636387), (46, 470373), (51, 424258), (69, 313582), (102, 212129), (138, 156791), (391, 55338), (401, 53958), (529, 40902), (782, 27669), (802, 26979), (1058, 20451), (1173, 18446), (1203, 17986), (1587, 13634), (2346, 9223), (2406, 8993), (3174, 6817)]