21966700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4483}}^1$

素因数の和:4511

約数の個数: 54

約数和(自身を含む): 55462596

約数和(自身を除く): 33495896

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4483, 4900, 8966, 17932, 22415, 31381, 44830, 62762, 89660, 112075, 125524, 156905, 219667, 224150, 313810, 439334, 448300, 627620, 784525, 878668, 1098335, 1569050, 2196670, 3138100, 4393340, 5491675, 10983350, 21966700]

約数ペア:

[(1, 21966700), (2, 10983350), (4, 5491675), (5, 4393340), (7, 3138100), (10, 2196670), (14, 1569050), (20, 1098335), (25, 878668), (28, 784525), (35, 627620), (49, 448300), (50, 439334), (70, 313810), (98, 224150), (100, 219667), (140, 156905), (175, 125524), (196, 112075), (245, 89660), (350, 62762), (490, 44830), (700, 31381), (980, 22415), (1225, 17932), (2450, 8966), (4483, 4900)]