21438072

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3769}}^1$

素因数の和:3860

約数の個数: 48

約数和(自身を含む): 58812000

約数和(自身を除く): 37373928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3769, 5688, 7538, 11307, 15076, 22614, 30152, 33921, 45228, 67842, 90456, 135684, 271368, 297751, 595502, 893253, 1191004, 1786506, 2382008, 2679759, 3573012, 5359518, 7146024, 10719036, 21438072]

約数ペア:

[(1, 21438072), (2, 10719036), (3, 7146024), (4, 5359518), (6, 3573012), (8, 2679759), (9, 2382008), (12, 1786506), (18, 1191004), (24, 893253), (36, 595502), (72, 297751), (79, 271368), (158, 135684), (237, 90456), (316, 67842), (474, 45228), (632, 33921), (711, 30152), (948, 22614), (1422, 15076), (1896, 11307), (2844, 7538), (3769, 5688)]