21582554

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 20407846

約数列:

[1, 2, 7, 14, 17, 29, 34, 53, 58, 59, 106, 118, 119, 203, 238, 371, 406, 413, 493, 742, 826, 901, 986, 1003, 1537, 1711, 1802, 2006, 3074, 3127, 3422, 3451, 6254, 6307, 6902, 7021, 10759, 11977, 12614, 14042, 21518, 21889, 23954, 26129, 29087, 43778, 52258, 53159, 58174, 90683, 106318, 181366, 182903, 203609, 365806, 372113, 407218, 634781, 744226, 1269562, 1541611, 3083222, 10791277, 21582554]

約数ペア:

[(1, 21582554), (2, 10791277), (7, 3083222), (14, 1541611), (17, 1269562), (29, 744226), (34, 634781), (53, 407218), (58, 372113), (59, 365806), (106, 203609), (118, 182903), (119, 181366), (203, 106318), (238, 90683), (371, 58174), (406, 53159), (413, 52258), (493, 43778), (742, 29087), (826, 26129), (901, 23954), (986, 21889), (1003, 21518), (1537, 14042), (1711, 12614), (1802, 11977), (2006, 10759), (3074, 7021), (3127, 6902), (3422, 6307), (3451, 6254)]