21175110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 61090848

約数和(自身を除く): 39915738

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 73, 90, 99, 110, 146, 165, 198, 219, 293, 330, 365, 438, 495, 586, 657, 730, 803, 879, 990, 1095, 1314, 1465, 1606, 1758, 2190, 2409, 2637, 2930, 3223, 3285, 4015, 4395, 4818, 5274, 6446, 6570, 7227, 8030, 8790, 9669, 12045, 13185, 14454, 16115, 19338, 21389, 24090, 26370, 29007, 32230, 36135, 42778, 48345, 58014, 64167, 72270, 96690, 106945, 128334, 145035, 192501, 213890, 235279, 290070, 320835, 385002, 470558, 641670, 705837, 962505, 1176395, 1411674, 1925010, 2117511, 2352790, 3529185, 4235022, 7058370, 10587555, 21175110]

約数ペア:

[(1, 21175110), (2, 10587555), (3, 7058370), (5, 4235022), (6, 3529185), (9, 2352790), (10, 2117511), (11, 1925010), (15, 1411674), (18, 1176395), (22, 962505), (30, 705837), (33, 641670), (45, 470558), (55, 385002), (66, 320835), (73, 290070), (90, 235279), (99, 213890), (110, 192501), (146, 145035), (165, 128334), (198, 106945), (219, 96690), (293, 72270), (330, 64167), (365, 58014), (438, 48345), (495, 42778), (586, 36135), (657, 32230), (730, 29007), (803, 26370), (879, 24090), (990, 21389), (1095, 19338), (1314, 16115), (1465, 14454), (1606, 13185), (1758, 12045), (2190, 9669), (2409, 8790), (2637, 8030), (2930, 7227), (3223, 6570), (3285, 6446), (4015, 5274), (4395, 4818)]