21011634

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4507}}^1$

素因数の和:4559

約数の個数: 48

約数和(自身を含む): 53446848

約数和(自身を除く): 32435214

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4507, 4662, 9014, 13521, 27042, 31549, 40563, 63098, 81126, 94647, 166759, 189294, 283941, 333518, 500277, 567882, 1000554, 1167313, 1500831, 2334626, 3001662, 3501939, 7003878, 10505817, 21011634]

約数ペア:

[(1, 21011634), (2, 10505817), (3, 7003878), (6, 3501939), (7, 3001662), (9, 2334626), (14, 1500831), (18, 1167313), (21, 1000554), (37, 567882), (42, 500277), (63, 333518), (74, 283941), (111, 189294), (126, 166759), (222, 94647), (259, 81126), (333, 63098), (518, 40563), (666, 31549), (777, 27042), (1554, 13521), (2331, 9014), (4507, 4662)]