21613760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9649}}^1$

素因数の和:9673

約数の個数: 56

約数和(自身を含む): 58826400

約数和(自身を除く): 37212640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9649, 19298, 38596, 48245, 67543, 77192, 96490, 135086, 154384, 192980, 270172, 308768, 337715, 385960, 540344, 617536, 675430, 771920, 1080688, 1350860, 1543840, 2161376, 2701720, 3087680, 4322752, 5403440, 10806880, 21613760]

約数ペア:

[(1, 21613760), (2, 10806880), (4, 5403440), (5, 4322752), (7, 3087680), (8, 2701720), (10, 2161376), (14, 1543840), (16, 1350860), (20, 1080688), (28, 771920), (32, 675430), (35, 617536), (40, 540344), (56, 385960), (64, 337715), (70, 308768), (80, 270172), (112, 192980), (140, 154384), (160, 135086), (224, 96490), (280, 77192), (320, 67543), (448, 48245), (560, 38596), (1120, 19298), (2240, 9649)]