21711970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 46884096

約数和(自身を除く): 25172126

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 83, 101, 166, 185, 202, 259, 370, 415, 505, 518, 581, 707, 830, 1010, 1162, 1295, 1414, 2590, 2905, 3071, 3535, 3737, 5810, 6142, 7070, 7474, 8383, 15355, 16766, 18685, 21497, 26159, 30710, 37370, 41915, 42994, 52318, 58681, 83830, 107485, 117362, 130795, 214970, 261590, 293405, 310171, 586810, 620342, 1550855, 2171197, 3101710, 4342394, 10855985, 21711970]

約数ペア:

[(1, 21711970), (2, 10855985), (5, 4342394), (7, 3101710), (10, 2171197), (14, 1550855), (35, 620342), (37, 586810), (70, 310171), (74, 293405), (83, 261590), (101, 214970), (166, 130795), (185, 117362), (202, 107485), (259, 83830), (370, 58681), (415, 52318), (505, 42994), (518, 41915), (581, 37370), (707, 30710), (830, 26159), (1010, 21497), (1162, 18685), (1295, 16766), (1414, 15355), (2590, 8383), (2905, 7474), (3071, 7070), (3535, 6142), (3737, 5810)]