21718452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 62512128

約数和(自身を除く): 40793676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 67, 68, 84, 102, 119, 134, 201, 204, 227, 238, 268, 357, 402, 454, 469, 476, 681, 714, 804, 908, 938, 1139, 1362, 1407, 1428, 1589, 1876, 2278, 2724, 2814, 3178, 3417, 3859, 4556, 4767, 5628, 6356, 6834, 7718, 7973, 9534, 11577, 13668, 15209, 15436, 15946, 19068, 23154, 23919, 27013, 30418, 31892, 45627, 46308, 47838, 54026, 60836, 81039, 91254, 95676, 106463, 108052, 162078, 182508, 212926, 258553, 319389, 324156, 425852, 517106, 638778, 775659, 1034212, 1277556, 1551318, 1809871, 3102636, 3619742, 5429613, 7239484, 10859226, 21718452]

約数ペア:

[(1, 21718452), (2, 10859226), (3, 7239484), (4, 5429613), (6, 3619742), (7, 3102636), (12, 1809871), (14, 1551318), (17, 1277556), (21, 1034212), (28, 775659), (34, 638778), (42, 517106), (51, 425852), (67, 324156), (68, 319389), (84, 258553), (102, 212926), (119, 182508), (134, 162078), (201, 108052), (204, 106463), (227, 95676), (238, 91254), (268, 81039), (357, 60836), (402, 54026), (454, 47838), (469, 46308), (476, 45627), (681, 31892), (714, 30418), (804, 27013), (908, 23919), (938, 23154), (1139, 19068), (1362, 15946), (1407, 15436), (1428, 15209), (1589, 13668), (1876, 11577), (2278, 9534), (2724, 7973), (2814, 7718), (3178, 6834), (3417, 6356), (3859, 5628), (4556, 4767)]