21489024

素因数分解:

$2^7\times 3^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 57723840

約数和(自身を除く): 36234816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 128, 192, 214, 321, 384, 428, 523, 642, 856, 1046, 1284, 1569, 1712, 2092, 2568, 3138, 3424, 4184, 5136, 6276, 6848, 8368, 10272, 12552, 13696, 16736, 20544, 25104, 33472, 41088, 50208, 55961, 66944, 100416, 111922, 167883, 200832, 223844, 335766, 447688, 671532, 895376, 1343064, 1790752, 2686128, 3581504, 5372256, 7163008, 10744512, 21489024]

約数ペア:

[(1, 21489024), (2, 10744512), (3, 7163008), (4, 5372256), (6, 3581504), (8, 2686128), (12, 1790752), (16, 1343064), (24, 895376), (32, 671532), (48, 447688), (64, 335766), (96, 223844), (107, 200832), (128, 167883), (192, 111922), (214, 100416), (321, 66944), (384, 55961), (428, 50208), (523, 41088), (642, 33472), (856, 25104), (1046, 20544), (1284, 16736), (1569, 13696), (1712, 12552), (2092, 10272), (2568, 8368), (3138, 6848), (3424, 6276), (4184, 5136)]