21179100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 61746048

約数和(自身を除く): 40566948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 227, 300, 311, 454, 622, 681, 908, 933, 1135, 1244, 1362, 1555, 1866, 2270, 2724, 3110, 3405, 3732, 4540, 4665, 5675, 6220, 6810, 7775, 9330, 11350, 13620, 15550, 17025, 18660, 22700, 23325, 31100, 34050, 46650, 68100, 70597, 93300, 141194, 211791, 282388, 352985, 423582, 705970, 847164, 1058955, 1411940, 1764925, 2117910, 3529850, 4235820, 5294775, 7059700, 10589550, 21179100]

約数ペア:

[(1, 21179100), (2, 10589550), (3, 7059700), (4, 5294775), (5, 4235820), (6, 3529850), (10, 2117910), (12, 1764925), (15, 1411940), (20, 1058955), (25, 847164), (30, 705970), (50, 423582), (60, 352985), (75, 282388), (100, 211791), (150, 141194), (227, 93300), (300, 70597), (311, 68100), (454, 46650), (622, 34050), (681, 31100), (908, 23325), (933, 22700), (1135, 18660), (1244, 17025), (1362, 15550), (1555, 13620), (1866, 11350), (2270, 9330), (2724, 7775), (3110, 6810), (3405, 6220), (3732, 5675), (4540, 4665)]