21096180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5581}}^1$

素因数の和:5606

約数の個数: 96

約数和(自身を含む): 75022080

約数和(自身を除く): 53925900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5581, 11162, 16743, 22324, 27905, 33486, 39067, 50229, 55810, 66972, 78134, 83715, 100458, 111620, 117201, 150687, 156268, 167430, 195335, 200916, 234402, 251145, 301374, 334860, 351603, 390670, 468804, 502290, 586005, 602748, 703206, 753435, 781340, 1004580, 1054809, 1172010, 1406412, 1506870, 1758015, 2109618, 2344020, 3013740, 3516030, 4219236, 5274045, 7032060, 10548090, 21096180]

約数ペア:

[(1, 21096180), (2, 10548090), (3, 7032060), (4, 5274045), (5, 4219236), (6, 3516030), (7, 3013740), (9, 2344020), (10, 2109618), (12, 1758015), (14, 1506870), (15, 1406412), (18, 1172010), (20, 1054809), (21, 1004580), (27, 781340), (28, 753435), (30, 703206), (35, 602748), (36, 586005), (42, 502290), (45, 468804), (54, 390670), (60, 351603), (63, 334860), (70, 301374), (84, 251145), (90, 234402), (105, 200916), (108, 195335), (126, 167430), (135, 156268), (140, 150687), (180, 117201), (189, 111620), (210, 100458), (252, 83715), (270, 78134), (315, 66972), (378, 55810), (420, 50229), (540, 39067), (630, 33486), (756, 27905), (945, 22324), (1260, 16743), (1890, 11162), (3780, 5581)]