21120583540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7940069}}^1$

素因数の和:7940104

約数の個数: 48

約数和(自身を含む): 53357270400

約数和(自身を除く): 32236686860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7940069, 15880138, 31760276, 39700345, 55580483, 79400690, 111160966, 150861311, 158801380, 222321932, 277902415, 301722622, 555804830, 603445244, 754306555, 1056029177, 1111609660, 1508613110, 2112058354, 3017226220, 4224116708, 5280145885, 10560291770, 21120583540]

約数ペア:

[(1, 21120583540), (2, 10560291770), (4, 5280145885), (5, 4224116708), (7, 3017226220), (10, 2112058354), (14, 1508613110), (19, 1111609660), (20, 1056029177), (28, 754306555), (35, 603445244), (38, 555804830), (70, 301722622), (76, 277902415), (95, 222321932), (133, 158801380), (140, 150861311), (190, 111160966), (266, 79400690), (380, 55580483), (532, 39700345), (665, 31760276), (1330, 15880138), (2660, 7940069)]