2021029990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{11489}}^1$

素因数の和:11869

約数の個数: 48

約数和(自身を含む): 4243946400

約数和(自身を除く): 2222916410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 359, 490, 718, 1795, 2513, 3590, 5026, 11489, 12565, 17591, 22978, 25130, 35182, 57445, 80423, 87955, 114890, 160846, 175910, 402115, 562961, 804230, 1125922, 2814805, 4124551, 5629610, 8249102, 20622755, 28871857, 41245510, 57743714, 144359285, 202102999, 288718570, 404205998, 1010514995, 2021029990]

約数ペア:

[(1, 2021029990), (2, 1010514995), (5, 404205998), (7, 288718570), (10, 202102999), (14, 144359285), (35, 57743714), (49, 41245510), (70, 28871857), (98, 20622755), (245, 8249102), (359, 5629610), (490, 4124551), (718, 2814805), (1795, 1125922), (2513, 804230), (3590, 562961), (5026, 402115), (11489, 175910), (12565, 160846), (17591, 114890), (22978, 87955), (25130, 80423), (35182, 57445)]