21394500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:878

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 44649660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 125, 150, 170, 204, 250, 255, 300, 340, 375, 425, 500, 510, 750, 839, 850, 1020, 1275, 1500, 1678, 1700, 2125, 2517, 2550, 3356, 4195, 4250, 5034, 5100, 6375, 8390, 8500, 10068, 12585, 12750, 14263, 16780, 20975, 25170, 25500, 28526, 41950, 42789, 50340, 57052, 62925, 71315, 83900, 85578, 104875, 125850, 142630, 171156, 209750, 213945, 251700, 285260, 314625, 356575, 419500, 427890, 629250, 713150, 855780, 1069725, 1258500, 1426300, 1782875, 2139450, 3565750, 4278900, 5348625, 7131500, 10697250, 21394500]

約数ペア:

[(1, 21394500), (2, 10697250), (3, 7131500), (4, 5348625), (5, 4278900), (6, 3565750), (10, 2139450), (12, 1782875), (15, 1426300), (17, 1258500), (20, 1069725), (25, 855780), (30, 713150), (34, 629250), (50, 427890), (51, 419500), (60, 356575), (68, 314625), (75, 285260), (85, 251700), (100, 213945), (102, 209750), (125, 171156), (150, 142630), (170, 125850), (204, 104875), (250, 85578), (255, 83900), (300, 71315), (340, 62925), (375, 57052), (425, 50340), (500, 42789), (510, 41950), (750, 28526), (839, 25500), (850, 25170), (1020, 20975), (1275, 16780), (1500, 14263), (1678, 12750), (1700, 12585), (2125, 10068), (2517, 8500), (2550, 8390), (3356, 6375), (4195, 5100), (4250, 5034)]