221981340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{528527}}^1$

素因数の和:528546

約数の個数: 48

約数和(自身を含む): 710341632

約数和(自身を除く): 488360292

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, 528527, 1057054, 1585581, 2114108, 2642635, 3171162, 3699689, 5285270, 6342324, 7399378, 7927905, 10570540, 11099067, 14798756, 15855810, 18498445, 22198134, 31711620, 36996890, 44396268, 55495335, 73993780, 110990670, 221981340]

約数ペア:

[(1, 221981340), (2, 110990670), (3, 73993780), (4, 55495335), (5, 44396268), (6, 36996890), (7, 31711620), (10, 22198134), (12, 18498445), (14, 15855810), (15, 14798756), (20, 11099067), (21, 10570540), (28, 7927905), (30, 7399378), (35, 6342324), (42, 5285270), (60, 3699689), (70, 3171162), (84, 2642635), (105, 2114108), (140, 1585581), (210, 1057054), (420, 528527)]