21611268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 62899200

約数和(自身を除く): 41287932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 191, 252, 382, 449, 573, 764, 898, 1146, 1337, 1347, 1719, 1796, 2292, 2674, 2694, 3143, 3438, 4011, 4041, 5348, 5388, 6286, 6876, 8022, 8082, 9429, 12033, 12572, 16044, 16164, 18858, 24066, 28287, 37716, 48132, 56574, 85759, 113148, 171518, 257277, 343036, 514554, 600313, 771831, 1029108, 1200626, 1543662, 1800939, 2401252, 3087324, 3601878, 5402817, 7203756, 10805634, 21611268]

約数ペア:

[(1, 21611268), (2, 10805634), (3, 7203756), (4, 5402817), (6, 3601878), (7, 3087324), (9, 2401252), (12, 1800939), (14, 1543662), (18, 1200626), (21, 1029108), (28, 771831), (36, 600313), (42, 514554), (63, 343036), (84, 257277), (126, 171518), (191, 113148), (252, 85759), (382, 56574), (449, 48132), (573, 37716), (764, 28287), (898, 24066), (1146, 18858), (1337, 16164), (1347, 16044), (1719, 12572), (1796, 12033), (2292, 9429), (2674, 8082), (2694, 8022), (3143, 6876), (3438, 6286), (4011, 5388), (4041, 5348)]