21655422

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^2$

素因数の和:433

約数の個数: 36

約数和(自身を含む): 48680736

約数和(自身を除く): 27025314

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 197, 279, 394, 558, 591, 1182, 1773, 3546, 6107, 12214, 18321, 36642, 38809, 54963, 77618, 109926, 116427, 232854, 349281, 698562, 1203079, 2406158, 3609237, 7218474, 10827711, 21655422]

約数ペア:

[(1, 21655422), (2, 10827711), (3, 7218474), (6, 3609237), (9, 2406158), (18, 1203079), (31, 698562), (62, 349281), (93, 232854), (186, 116427), (197, 109926), (279, 77618), (394, 54963), (558, 38809), (591, 36642), (1182, 18321), (1773, 12214), (3546, 6107)]