21891030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104243}}^1$

素因数の和:104260

約数の個数: 32

約数和(自身を含む): 60044544

約数和(自身を除く): 38153514

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104243, 208486, 312729, 521215, 625458, 729701, 1042430, 1459402, 1563645, 2189103, 3127290, 3648505, 4378206, 7297010, 10945515, 21891030]

約数ペア:

[(1, 21891030), (2, 10945515), (3, 7297010), (5, 4378206), (6, 3648505), (7, 3127290), (10, 2189103), (14, 1563645), (15, 1459402), (21, 1042430), (30, 729701), (35, 625458), (42, 521215), (70, 312729), (105, 208486), (210, 104243)]