21074340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50177}}^1$

素因数の和:50196

約数の個数: 48

約数和(自身を含む): 67439232

約数和(自身を除く): 46364892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50177, 100354, 150531, 200708, 250885, 301062, 351239, 501770, 602124, 702478, 752655, 1003540, 1053717, 1404956, 1505310, 1756195, 2107434, 3010620, 3512390, 4214868, 5268585, 7024780, 10537170, 21074340]

約数ペア:

[(1, 21074340), (2, 10537170), (3, 7024780), (4, 5268585), (5, 4214868), (6, 3512390), (7, 3010620), (10, 2107434), (12, 1756195), (14, 1505310), (15, 1404956), (20, 1053717), (21, 1003540), (28, 752655), (30, 702478), (35, 602124), (42, 501770), (60, 351239), (70, 301062), (84, 250885), (105, 200708), (140, 150531), (210, 100354), (420, 50177)]