21488340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21067}}^1$

素因数の和:21096

約数の個数: 48

約数和(自身を含む): 63709632

約数和(自身を除く): 42221292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 21067, 42134, 63201, 84268, 105335, 126402, 210670, 252804, 316005, 358139, 421340, 632010, 716278, 1074417, 1264020, 1432556, 1790695, 2148834, 3581390, 4297668, 5372085, 7162780, 10744170, 21488340]

約数ペア:

[(1, 21488340), (2, 10744170), (3, 7162780), (4, 5372085), (5, 4297668), (6, 3581390), (10, 2148834), (12, 1790695), (15, 1432556), (17, 1264020), (20, 1074417), (30, 716278), (34, 632010), (51, 421340), (60, 358139), (68, 316005), (85, 252804), (102, 210670), (170, 126402), (204, 105335), (255, 84268), (340, 63201), (510, 42134), (1020, 21067)]