21237624

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17351}}^1$

素因数の和:17380

約数の個数: 48

約数和(自身を含む): 60905520

約数和(自身を除く): 39667896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17351, 34702, 52053, 69404, 104106, 138808, 156159, 208212, 294967, 312318, 416424, 589934, 624636, 884901, 1179868, 1249272, 1769802, 2359736, 2654703, 3539604, 5309406, 7079208, 10618812, 21237624]

約数ペア:

[(1, 21237624), (2, 10618812), (3, 7079208), (4, 5309406), (6, 3539604), (8, 2654703), (9, 2359736), (12, 1769802), (17, 1249272), (18, 1179868), (24, 884901), (34, 624636), (36, 589934), (51, 416424), (68, 312318), (72, 294967), (102, 208212), (136, 156159), (153, 138808), (204, 104106), (306, 69404), (408, 52053), (612, 34702), (1224, 17351)]