21375510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2383}}^1$

素因数の和:2429

約数の個数: 64

約数和(自身を含む): 57673728

約数和(自身を除く): 36298218

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2383, 2990, 4485, 4766, 7149, 8970, 11915, 14298, 23830, 30979, 35745, 54809, 61958, 71490, 92937, 109618, 154895, 164427, 185874, 274045, 309790, 328854, 464685, 548090, 712517, 822135, 929370, 1425034, 1644270, 2137551, 3562585, 4275102, 7125170, 10687755, 21375510]

約数ペア:

[(1, 21375510), (2, 10687755), (3, 7125170), (5, 4275102), (6, 3562585), (10, 2137551), (13, 1644270), (15, 1425034), (23, 929370), (26, 822135), (30, 712517), (39, 548090), (46, 464685), (65, 328854), (69, 309790), (78, 274045), (115, 185874), (130, 164427), (138, 154895), (195, 109618), (230, 92937), (299, 71490), (345, 61958), (390, 54809), (598, 35745), (690, 30979), (897, 23830), (1495, 14298), (1794, 11915), (2383, 8970), (2990, 7149), (4485, 4766)]