21670376

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 53639040

約数和(自身を除く): 31968664

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 103, 104, 119, 136, 182, 206, 221, 238, 289, 364, 412, 442, 476, 578, 721, 728, 824, 884, 952, 1156, 1339, 1442, 1547, 1751, 1768, 2023, 2312, 2678, 2884, 3094, 3502, 3757, 4046, 5356, 5768, 6188, 7004, 7514, 8092, 9373, 10712, 12257, 12376, 14008, 15028, 16184, 18746, 22763, 24514, 26299, 29767, 30056, 37492, 45526, 49028, 52598, 59534, 74984, 91052, 98056, 105196, 119068, 159341, 182104, 208369, 210392, 238136, 318682, 386971, 416738, 637364, 773942, 833476, 1274728, 1547884, 1666952, 2708797, 3095768, 5417594, 10835188, 21670376]

約数ペア:

[(1, 21670376), (2, 10835188), (4, 5417594), (7, 3095768), (8, 2708797), (13, 1666952), (14, 1547884), (17, 1274728), (26, 833476), (28, 773942), (34, 637364), (52, 416738), (56, 386971), (68, 318682), (91, 238136), (103, 210392), (104, 208369), (119, 182104), (136, 159341), (182, 119068), (206, 105196), (221, 98056), (238, 91052), (289, 74984), (364, 59534), (412, 52598), (442, 49028), (476, 45526), (578, 37492), (721, 30056), (728, 29767), (824, 26299), (884, 24514), (952, 22763), (1156, 18746), (1339, 16184), (1442, 15028), (1547, 14008), (1751, 12376), (1768, 12257), (2023, 10712), (2312, 9373), (2678, 8092), (2884, 7514), (3094, 7004), (3502, 6188), (3757, 5768), (4046, 5356)]