21371700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10177}}^1$

素因数の和:10201

約数の個数: 72

約数和(自身を含む): 70676032

約数和(自身を除く): 49304332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10177, 20354, 30531, 40708, 50885, 61062, 71239, 101770, 122124, 142478, 152655, 203540, 213717, 254425, 284956, 305310, 356195, 427434, 508850, 610620, 712390, 763275, 854868, 1017700, 1068585, 1424780, 1526550, 1780975, 2137170, 3053100, 3561950, 4274340, 5342925, 7123900, 10685850, 21371700]

約数ペア:

[(1, 21371700), (2, 10685850), (3, 7123900), (4, 5342925), (5, 4274340), (6, 3561950), (7, 3053100), (10, 2137170), (12, 1780975), (14, 1526550), (15, 1424780), (20, 1068585), (21, 1017700), (25, 854868), (28, 763275), (30, 712390), (35, 610620), (42, 508850), (50, 427434), (60, 356195), (70, 305310), (75, 284956), (84, 254425), (100, 213717), (105, 203540), (140, 152655), (150, 142478), (175, 122124), (210, 101770), (300, 71239), (350, 61062), (420, 50885), (525, 40708), (700, 30531), (1050, 20354), (2100, 10177)]