21821976

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 65707200

約数和(自身を除く): 43885224

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 59, 66, 72, 88, 99, 118, 132, 177, 198, 236, 264, 354, 396, 467, 472, 531, 649, 708, 792, 934, 1062, 1298, 1401, 1416, 1868, 1947, 2124, 2596, 2802, 3736, 3894, 4203, 4248, 5137, 5192, 5604, 5841, 7788, 8406, 10274, 11208, 11682, 15411, 15576, 16812, 20548, 23364, 27553, 30822, 33624, 41096, 46233, 46728, 55106, 61644, 82659, 92466, 110212, 123288, 165318, 184932, 220424, 247977, 303083, 330636, 369864, 495954, 606166, 661272, 909249, 991908, 1212332, 1818498, 1983816, 2424664, 2727747, 3636996, 5455494, 7273992, 10910988, 21821976]

約数ペア:

[(1, 21821976), (2, 10910988), (3, 7273992), (4, 5455494), (6, 3636996), (8, 2727747), (9, 2424664), (11, 1983816), (12, 1818498), (18, 1212332), (22, 991908), (24, 909249), (33, 661272), (36, 606166), (44, 495954), (59, 369864), (66, 330636), (72, 303083), (88, 247977), (99, 220424), (118, 184932), (132, 165318), (177, 123288), (198, 110212), (236, 92466), (264, 82659), (354, 61644), (396, 55106), (467, 46728), (472, 46233), (531, 41096), (649, 33624), (708, 30822), (792, 27553), (934, 23364), (1062, 20548), (1298, 16812), (1401, 15576), (1416, 15411), (1868, 11682), (1947, 11208), (2124, 10274), (2596, 8406), (2802, 7788), (3736, 5841), (3894, 5604), (4203, 5192), (4248, 5137)]