21098808

素因数分解:

$2^3\times 3^2\times {\mathrm{181}}^1\times {\mathrm{1619}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 57493800

約数和(自身を除く): 36394992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 181, 362, 543, 724, 1086, 1448, 1619, 1629, 2172, 3238, 3258, 4344, 4857, 6476, 6516, 9714, 12952, 13032, 14571, 19428, 29142, 38856, 58284, 116568, 293039, 586078, 879117, 1172156, 1758234, 2344312, 2637351, 3516468, 5274702, 7032936, 10549404, 21098808]

約数ペア:

[(1, 21098808), (2, 10549404), (3, 7032936), (4, 5274702), (6, 3516468), (8, 2637351), (9, 2344312), (12, 1758234), (18, 1172156), (24, 879117), (36, 586078), (72, 293039), (181, 116568), (362, 58284), (543, 38856), (724, 29142), (1086, 19428), (1448, 14571), (1619, 13032), (1629, 12952), (2172, 9714), (3238, 6516), (3258, 6476), (4344, 4857)]