21897260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 58544640

約数和(自身を除く): 36647380

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 59, 70, 77, 110, 118, 140, 154, 220, 236, 241, 295, 308, 385, 413, 482, 590, 649, 770, 826, 964, 1180, 1205, 1298, 1540, 1652, 1687, 2065, 2410, 2596, 2651, 3245, 3374, 4130, 4543, 4820, 5302, 6490, 6748, 8260, 8435, 9086, 10604, 12980, 13255, 14219, 16870, 18172, 18557, 22715, 26510, 28438, 33740, 37114, 45430, 53020, 56876, 71095, 74228, 90860, 92785, 99533, 142190, 156409, 185570, 199066, 284380, 312818, 371140, 398132, 497665, 625636, 782045, 995330, 1094863, 1564090, 1990660, 2189726, 3128180, 4379452, 5474315, 10948630, 21897260]

約数ペア:

[(1, 21897260), (2, 10948630), (4, 5474315), (5, 4379452), (7, 3128180), (10, 2189726), (11, 1990660), (14, 1564090), (20, 1094863), (22, 995330), (28, 782045), (35, 625636), (44, 497665), (55, 398132), (59, 371140), (70, 312818), (77, 284380), (110, 199066), (118, 185570), (140, 156409), (154, 142190), (220, 99533), (236, 92785), (241, 90860), (295, 74228), (308, 71095), (385, 56876), (413, 53020), (482, 45430), (590, 37114), (649, 33740), (770, 28438), (826, 26510), (964, 22715), (1180, 18557), (1205, 18172), (1298, 16870), (1540, 14219), (1652, 13255), (1687, 12980), (2065, 10604), (2410, 9086), (2596, 8435), (2651, 8260), (3245, 6748), (3374, 6490), (4130, 5302), (4543, 4820)]