21565674

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4007}}^1$

素因数の和:4051

約数の個数: 48

約数和(自身を含む): 52520832

約数和(自身を除く): 30955158

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 4007, 5382, 8014, 12021, 24042, 36063, 52091, 72126, 92161, 104182, 156273, 184322, 276483, 312546, 468819, 552966, 829449, 937638, 1198093, 1658898, 2396186, 3594279, 7188558, 10782837, 21565674]

約数ペア:

[(1, 21565674), (2, 10782837), (3, 7188558), (6, 3594279), (9, 2396186), (13, 1658898), (18, 1198093), (23, 937638), (26, 829449), (39, 552966), (46, 468819), (69, 312546), (78, 276483), (117, 184322), (138, 156273), (207, 104182), (234, 92161), (299, 72126), (414, 52091), (598, 36063), (897, 24042), (1794, 12021), (2691, 8014), (4007, 5382)]