21928480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2797}}^1$

素因数の和:2826

約数の個数: 72

約数和(自身を含む): 60285708

約数和(自身を除く): 38357228

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2797, 3920, 5594, 7840, 11188, 13985, 19579, 22376, 27970, 39158, 44752, 55940, 78316, 89504, 97895, 111880, 137053, 156632, 195790, 223760, 274106, 313264, 391580, 447520, 548212, 626528, 685265, 783160, 1096424, 1370530, 1566320, 2192848, 2741060, 3132640, 4385696, 5482120, 10964240, 21928480]

約数ペア:

[(1, 21928480), (2, 10964240), (4, 5482120), (5, 4385696), (7, 3132640), (8, 2741060), (10, 2192848), (14, 1566320), (16, 1370530), (20, 1096424), (28, 783160), (32, 685265), (35, 626528), (40, 548212), (49, 447520), (56, 391580), (70, 313264), (80, 274106), (98, 223760), (112, 195790), (140, 156632), (160, 137053), (196, 111880), (224, 97895), (245, 89504), (280, 78316), (392, 55940), (490, 44752), (560, 39158), (784, 27970), (980, 22376), (1120, 19579), (1568, 13985), (1960, 11188), (2797, 7840), (3920, 5594)]