21102510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4919}}^1$

素因数の和:4953

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 38409810

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4919, 9838, 14757, 24595, 29514, 49190, 54109, 63947, 73785, 108218, 127894, 147570, 162327, 191841, 270545, 319735, 324654, 383682, 541090, 639470, 703417, 811635, 959205, 1406834, 1623270, 1918410, 2110251, 3517085, 4220502, 7034170, 10551255, 21102510]

約数ペア:

[(1, 21102510), (2, 10551255), (3, 7034170), (5, 4220502), (6, 3517085), (10, 2110251), (11, 1918410), (13, 1623270), (15, 1406834), (22, 959205), (26, 811635), (30, 703417), (33, 639470), (39, 541090), (55, 383682), (65, 324654), (66, 319735), (78, 270545), (110, 191841), (130, 162327), (143, 147570), (165, 127894), (195, 108218), (286, 73785), (330, 63947), (390, 54109), (429, 49190), (715, 29514), (858, 24595), (1430, 14757), (2145, 9838), (4290, 4919)]