21265860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4603}}^1$

素因数の和:4633

約数の個数: 96

約数和(自身を含む): 74253312

約数和(自身を除く): 52987452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4603, 4620, 9206, 13809, 18412, 23015, 27618, 32221, 46030, 50633, 55236, 64442, 69045, 92060, 96663, 101266, 128884, 138090, 151899, 161105, 193326, 202532, 253165, 276180, 303798, 322210, 354431, 386652, 483315, 506330, 607596, 644420, 708862, 759495, 966630, 1012660, 1063293, 1417724, 1518990, 1772155, 1933260, 2126586, 3037980, 3544310, 4253172, 5316465, 7088620, 10632930, 21265860]

約数ペア:

[(1, 21265860), (2, 10632930), (3, 7088620), (4, 5316465), (5, 4253172), (6, 3544310), (7, 3037980), (10, 2126586), (11, 1933260), (12, 1772155), (14, 1518990), (15, 1417724), (20, 1063293), (21, 1012660), (22, 966630), (28, 759495), (30, 708862), (33, 644420), (35, 607596), (42, 506330), (44, 483315), (55, 386652), (60, 354431), (66, 322210), (70, 303798), (77, 276180), (84, 253165), (105, 202532), (110, 193326), (132, 161105), (140, 151899), (154, 138090), (165, 128884), (210, 101266), (220, 96663), (231, 92060), (308, 69045), (330, 64442), (385, 55236), (420, 50633), (462, 46030), (660, 32221), (770, 27618), (924, 23015), (1155, 18412), (1540, 13809), (2310, 9206), (4603, 4620)]