21083430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 52871616

約数和(自身を除く): 31788186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 61, 82, 122, 123, 183, 205, 246, 281, 305, 366, 410, 562, 610, 615, 843, 915, 1230, 1405, 1686, 1830, 2501, 2810, 4215, 5002, 7503, 8430, 11521, 12505, 15006, 17141, 23042, 25010, 34282, 34563, 37515, 51423, 57605, 69126, 75030, 85705, 102846, 115210, 171410, 172815, 257115, 345630, 514230, 702781, 1405562, 2108343, 3513905, 4216686, 7027810, 10541715, 21083430]

約数ペア:

[(1, 21083430), (2, 10541715), (3, 7027810), (5, 4216686), (6, 3513905), (10, 2108343), (15, 1405562), (30, 702781), (41, 514230), (61, 345630), (82, 257115), (122, 172815), (123, 171410), (183, 115210), (205, 102846), (246, 85705), (281, 75030), (305, 69126), (366, 57605), (410, 51423), (562, 37515), (610, 34563), (615, 34282), (843, 25010), (915, 23042), (1230, 17141), (1405, 15006), (1686, 12505), (1830, 11521), (2501, 8430), (2810, 7503), (4215, 5002)]