2021818505

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 2936659968

約数和(自身を除く): 914841463

約数列:

[1, 5, 7, 35, 43, 47, 101, 215, 235, 283, 301, 329, 505, 707, 1415, 1505, 1645, 1981, 2021, 3535, 4343, 4747, 9905, 10105, 12169, 13301, 14147, 21715, 23735, 28583, 30401, 33229, 60845, 66505, 70735, 85183, 93107, 142915, 152005, 166145, 200081, 204121, 425915, 465535, 571943, 1000405, 1020605, 1229069, 1343401, 1428847, 2859715, 4003601, 6145345, 6717005, 7144235, 8603483, 9403807, 20018005, 43017415, 47019035, 57766243, 288831215, 404363701, 2021818505]

約数ペア:

[(1, 2021818505), (5, 404363701), (7, 288831215), (35, 57766243), (43, 47019035), (47, 43017415), (101, 20018005), (215, 9403807), (235, 8603483), (283, 7144235), (301, 6717005), (329, 6145345), (505, 4003601), (707, 2859715), (1415, 1428847), (1505, 1343401), (1645, 1229069), (1981, 1020605), (2021, 1000405), (3535, 571943), (4343, 465535), (4747, 425915), (9905, 204121), (10105, 200081), (12169, 166145), (13301, 152005), (14147, 142915), (21715, 93107), (23735, 85183), (28583, 70735), (30401, 66505), (33229, 60845)]