21537990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1433}}^1$

素因数の和:1613

約数の個数: 48

約数和(自身を含む): 56373408

約数和(自身を除く): 34835418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 167, 334, 501, 835, 1002, 1433, 1503, 1670, 2505, 2866, 3006, 4299, 5010, 7165, 7515, 8598, 12897, 14330, 15030, 21495, 25794, 42990, 64485, 128970, 239311, 478622, 717933, 1196555, 1435866, 2153799, 2393110, 3589665, 4307598, 7179330, 10768995, 21537990]

約数ペア:

[(1, 21537990), (2, 10768995), (3, 7179330), (5, 4307598), (6, 3589665), (9, 2393110), (10, 2153799), (15, 1435866), (18, 1196555), (30, 717933), (45, 478622), (90, 239311), (167, 128970), (334, 64485), (501, 42990), (835, 25794), (1002, 21495), (1433, 15030), (1503, 14330), (1670, 12897), (2505, 8598), (2866, 7515), (3006, 7165), (4299, 5010)]