21092100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 61537728

約数和(自身を除く): 40445628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 167, 300, 334, 421, 501, 668, 835, 842, 1002, 1263, 1670, 1684, 2004, 2105, 2505, 2526, 3340, 4175, 4210, 5010, 5052, 6315, 8350, 8420, 10020, 10525, 12525, 12630, 16700, 21050, 25050, 25260, 31575, 42100, 50100, 63150, 70307, 126300, 140614, 210921, 281228, 351535, 421842, 703070, 843684, 1054605, 1406140, 1757675, 2109210, 3515350, 4218420, 5273025, 7030700, 10546050, 21092100]

約数ペア:

[(1, 21092100), (2, 10546050), (3, 7030700), (4, 5273025), (5, 4218420), (6, 3515350), (10, 2109210), (12, 1757675), (15, 1406140), (20, 1054605), (25, 843684), (30, 703070), (50, 421842), (60, 351535), (75, 281228), (100, 210921), (150, 140614), (167, 126300), (300, 70307), (334, 63150), (421, 50100), (501, 42100), (668, 31575), (835, 25260), (842, 25050), (1002, 21050), (1263, 16700), (1670, 12630), (1684, 12525), (2004, 10525), (2105, 10020), (2505, 8420), (2526, 8350), (3340, 6315), (4175, 5052), (4210, 5010)]