21062080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 112

約数和(自身を含む): 55558944

約数和(自身を除く): 34496864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 83, 104, 122, 130, 160, 166, 208, 244, 260, 305, 320, 332, 415, 416, 488, 520, 610, 664, 793, 830, 832, 976, 1040, 1079, 1220, 1328, 1586, 1660, 1952, 2080, 2158, 2440, 2656, 3172, 3320, 3904, 3965, 4160, 4316, 4880, 5063, 5312, 5395, 6344, 6640, 7930, 8632, 9760, 10126, 10790, 12688, 13280, 15860, 17264, 19520, 20252, 21580, 25315, 25376, 26560, 31720, 34528, 40504, 43160, 50630, 50752, 63440, 65819, 69056, 81008, 86320, 101260, 126880, 131638, 162016, 172640, 202520, 253760, 263276, 324032, 329095, 345280, 405040, 526552, 658190, 810080, 1053104, 1316380, 1620160, 2106208, 2632760, 4212416, 5265520, 10531040, 21062080]

約数ペア:

[(1, 21062080), (2, 10531040), (4, 5265520), (5, 4212416), (8, 2632760), (10, 2106208), (13, 1620160), (16, 1316380), (20, 1053104), (26, 810080), (32, 658190), (40, 526552), (52, 405040), (61, 345280), (64, 329095), (65, 324032), (80, 263276), (83, 253760), (104, 202520), (122, 172640), (130, 162016), (160, 131638), (166, 126880), (208, 101260), (244, 86320), (260, 81008), (305, 69056), (320, 65819), (332, 63440), (415, 50752), (416, 50630), (488, 43160), (520, 40504), (610, 34528), (664, 31720), (793, 26560), (830, 25376), (832, 25315), (976, 21580), (1040, 20252), (1079, 19520), (1220, 17264), (1328, 15860), (1586, 13280), (1660, 12688), (1952, 10790), (2080, 10126), (2158, 9760), (2440, 8632), (2656, 7930), (3172, 6640), (3320, 6344), (3904, 5395), (3965, 5312), (4160, 5063), (4316, 4880)]