21518970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1069}}^1$

素因数の和:1151

約数の個数: 64

約数和(自身を含む): 57317760

約数和(自身を除く): 35798790

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 110, 122, 165, 183, 305, 330, 366, 610, 671, 915, 1069, 1342, 1830, 2013, 2138, 3207, 3355, 4026, 5345, 6414, 6710, 10065, 10690, 11759, 16035, 20130, 23518, 32070, 35277, 58795, 65209, 70554, 117590, 130418, 176385, 195627, 326045, 352770, 391254, 652090, 717299, 978135, 1434598, 1956270, 2151897, 3586495, 4303794, 7172990, 10759485, 21518970]

約数ペア:

[(1, 21518970), (2, 10759485), (3, 7172990), (5, 4303794), (6, 3586495), (10, 2151897), (11, 1956270), (15, 1434598), (22, 978135), (30, 717299), (33, 652090), (55, 391254), (61, 352770), (66, 326045), (110, 195627), (122, 176385), (165, 130418), (183, 117590), (305, 70554), (330, 65209), (366, 58795), (610, 35277), (671, 32070), (915, 23518), (1069, 20130), (1342, 16035), (1830, 11759), (2013, 10690), (2138, 10065), (3207, 6710), (3355, 6414), (4026, 5345)]