21695562

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{739}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 54025920

約数和(自身を除く): 32330358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 699, 739, 1398, 1478, 1631, 2097, 2217, 3262, 4194, 4434, 4893, 5173, 6651, 9786, 10346, 13302, 14679, 15519, 29358, 31038, 46557, 93114, 172187, 344374, 516561, 1033122, 1205309, 1549683, 2410618, 3099366, 3615927, 7231854, 10847781, 21695562]

約数ペア:

[(1, 21695562), (2, 10847781), (3, 7231854), (6, 3615927), (7, 3099366), (9, 2410618), (14, 1549683), (18, 1205309), (21, 1033122), (42, 516561), (63, 344374), (126, 172187), (233, 93114), (466, 46557), (699, 31038), (739, 29358), (1398, 15519), (1478, 14679), (1631, 13302), (2097, 10346), (2217, 9786), (3262, 6651), (4194, 5173), (4434, 4893)]