21103633570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1\times {\mathrm{3533}}^1$

素因数の和:4455

約数の個数: 64

約数和(自身を含む): 41261796576

約数和(自身を除く): 20158163006

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 857, 1394, 1714, 3485, 3533, 4285, 6970, 7066, 8570, 14569, 17665, 29138, 35137, 35330, 60061, 70274, 72845, 120122, 144853, 145690, 175685, 289706, 300305, 351370, 597329, 600610, 724265, 1194658, 1448530, 2462501, 2986645, 3027781, 4925002, 5973290, 6055562, 12312505, 15138905, 24625010, 30277810, 51472277, 102944554, 124139021, 248278042, 257361385, 514722770, 620695105, 1241390210, 2110363357, 4220726714, 10551816785, 21103633570]

約数ペア:

[(1, 21103633570), (2, 10551816785), (5, 4220726714), (10, 2110363357), (17, 1241390210), (34, 620695105), (41, 514722770), (82, 257361385), (85, 248278042), (170, 124139021), (205, 102944554), (410, 51472277), (697, 30277810), (857, 24625010), (1394, 15138905), (1714, 12312505), (3485, 6055562), (3533, 5973290), (4285, 4925002), (6970, 3027781), (7066, 2986645), (8570, 2462501), (14569, 1448530), (17665, 1194658), (29138, 724265), (35137, 600610), (35330, 597329), (60061, 351370), (70274, 300305), (72845, 289706), (120122, 175685), (144853, 145690)]