21931840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9791}}^1$

素因数の和:9815

約数の個数: 56

約数和(自身を含む): 59692032

約数和(自身を除く): 37760192

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, 9791, 19582, 39164, 48955, 68537, 78328, 97910, 137074, 156656, 195820, 274148, 313312, 342685, 391640, 548296, 626624, 685370, 783280, 1096592, 1370740, 1566560, 2193184, 2741480, 3133120, 4386368, 5482960, 10965920, 21931840]

約数ペア:

[(1, 21931840), (2, 10965920), (4, 5482960), (5, 4386368), (7, 3133120), (8, 2741480), (10, 2193184), (14, 1566560), (16, 1370740), (20, 1096592), (28, 783280), (32, 685370), (35, 626624), (40, 548296), (56, 391640), (64, 342685), (70, 313312), (80, 274148), (112, 195820), (140, 156656), (160, 137074), (224, 97910), (280, 78328), (320, 68537), (448, 48955), (560, 39164), (1120, 19582), (2240, 9791)]