21449448

素因数分解:

$2^3\times 3^4\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 60984000

約数和(自身を除く): 39534552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 81, 108, 158, 162, 216, 237, 316, 324, 419, 474, 632, 648, 711, 838, 948, 1257, 1422, 1676, 1896, 2133, 2514, 2844, 3352, 3771, 4266, 5028, 5688, 6399, 7542, 8532, 10056, 11313, 12798, 15084, 17064, 22626, 25596, 30168, 33101, 33939, 45252, 51192, 66202, 67878, 90504, 99303, 132404, 135756, 198606, 264808, 271512, 297909, 397212, 595818, 794424, 893727, 1191636, 1787454, 2383272, 2681181, 3574908, 5362362, 7149816, 10724724, 21449448]

約数ペア:

[(1, 21449448), (2, 10724724), (3, 7149816), (4, 5362362), (6, 3574908), (8, 2681181), (9, 2383272), (12, 1787454), (18, 1191636), (24, 893727), (27, 794424), (36, 595818), (54, 397212), (72, 297909), (79, 271512), (81, 264808), (108, 198606), (158, 135756), (162, 132404), (216, 99303), (237, 90504), (316, 67878), (324, 66202), (419, 51192), (474, 45252), (632, 33939), (648, 33101), (711, 30168), (838, 25596), (948, 22626), (1257, 17064), (1422, 15084), (1676, 12798), (1896, 11313), (2133, 10056), (2514, 8532), (2844, 7542), (3352, 6399), (3771, 5688), (4266, 5028)]