21550871482

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1\times {\mathrm{1163}}^1$

素因数の和:1723

約数の個数: 64

約数和(自身を含む): 38522179584

約数和(自身を除く): 16971308102

約数列:

[1, 2, 7, 14, 37, 74, 83, 166, 259, 431, 518, 581, 862, 1162, 1163, 2326, 3017, 3071, 6034, 6142, 8141, 15947, 16282, 21497, 31894, 35773, 42994, 43031, 71546, 86062, 96529, 111629, 193058, 223258, 250411, 301217, 500822, 501253, 602434, 675703, 1002506, 1323601, 1351406, 2647202, 3508771, 3571573, 7017542, 7143146, 9265207, 18530414, 18546361, 25001011, 37092722, 41603999, 50002022, 83207998, 129824527, 259649054, 291227993, 582455986, 1539347963, 3078695926, 10775435741, 21550871482]

約数ペア:

[(1, 21550871482), (2, 10775435741), (7, 3078695926), (14, 1539347963), (37, 582455986), (74, 291227993), (83, 259649054), (166, 129824527), (259, 83207998), (431, 50002022), (518, 41603999), (581, 37092722), (862, 25001011), (1162, 18546361), (1163, 18530414), (2326, 9265207), (3017, 7143146), (3071, 7017542), (6034, 3571573), (6142, 3508771), (8141, 2647202), (15947, 1351406), (16282, 1323601), (21497, 1002506), (31894, 675703), (35773, 602434), (42994, 501253), (43031, 500822), (71546, 301217), (86062, 250411), (96529, 223258), (111629, 193058)]