21000401310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2439071}}^1$

素因数の和:2439129

約数の個数: 64

約数和(自身を含む): 59006029824

約数和(自身を除く): 38005628514

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 246, 287, 410, 574, 615, 861, 1230, 1435, 1722, 2870, 4305, 8610, 2439071, 4878142, 7317213, 12195355, 14634426, 17073497, 24390710, 34146994, 36586065, 51220491, 73172130, 85367485, 100001911, 102440982, 170734970, 200003822, 256102455, 300005733, 500009555, 512204910, 600011466, 700013377, 1000019110, 1400026754, 1500028665, 2100040131, 3000057330, 3500066885, 4200080262, 7000133770, 10500200655, 21000401310]

約数ペア:

[(1, 21000401310), (2, 10500200655), (3, 7000133770), (5, 4200080262), (6, 3500066885), (7, 3000057330), (10, 2100040131), (14, 1500028665), (15, 1400026754), (21, 1000019110), (30, 700013377), (35, 600011466), (41, 512204910), (42, 500009555), (70, 300005733), (82, 256102455), (105, 200003822), (123, 170734970), (205, 102440982), (210, 100001911), (246, 85367485), (287, 73172130), (410, 51220491), (574, 36586065), (615, 34146994), (861, 24390710), (1230, 17073497), (1435, 14634426), (1722, 12195355), (2870, 7317213), (4305, 4878142), (8610, 2439071)]