21899124

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 60525192

約数和(自身を除く): 38626068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 641, 657, 876, 949, 1282, 1314, 1898, 1923, 2564, 2628, 2847, 3796, 3846, 5694, 5769, 7692, 8333, 8541, 11388, 11538, 16666, 17082, 23076, 24999, 33332, 34164, 46793, 49998, 74997, 93586, 99996, 140379, 149994, 187172, 280758, 299988, 421137, 561516, 608309, 842274, 1216618, 1684548, 1824927, 2433236, 3649854, 5474781, 7299708, 10949562, 21899124]

約数ペア:

[(1, 21899124), (2, 10949562), (3, 7299708), (4, 5474781), (6, 3649854), (9, 2433236), (12, 1824927), (13, 1684548), (18, 1216618), (26, 842274), (36, 608309), (39, 561516), (52, 421137), (73, 299988), (78, 280758), (117, 187172), (146, 149994), (156, 140379), (219, 99996), (234, 93586), (292, 74997), (438, 49998), (468, 46793), (641, 34164), (657, 33332), (876, 24999), (949, 23076), (1282, 17082), (1314, 16666), (1898, 11538), (1923, 11388), (2564, 8541), (2628, 8333), (2847, 7692), (3796, 5769), (3846, 5694)]