21016248

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7237}}^1$

素因数の和:7268

約数の個数: 48

約数和(自身を含む): 57759240

約数和(自身を除く): 36742992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7237, 14474, 21711, 28948, 43422, 57896, 79607, 86844, 159214, 173688, 238821, 318428, 477642, 636856, 875677, 955284, 1751354, 1910568, 2627031, 3502708, 5254062, 7005416, 10508124, 21016248]

約数ペア:

[(1, 21016248), (2, 10508124), (3, 7005416), (4, 5254062), (6, 3502708), (8, 2627031), (11, 1910568), (12, 1751354), (22, 955284), (24, 875677), (33, 636856), (44, 477642), (66, 318428), (88, 238821), (121, 173688), (132, 159214), (242, 86844), (264, 79607), (363, 57896), (484, 43422), (726, 28948), (968, 21711), (1452, 14474), (2904, 7237)]