21434560

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1367}}^1$

素因数の和:1398

約数の個数: 84

約数和(自身を含む): 59417712

約数和(自身を除く): 37983152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1367, 1568, 1960, 2240, 2734, 3136, 3920, 5468, 6835, 7840, 9569, 10936, 13670, 15680, 19138, 21872, 27340, 38276, 43744, 47845, 54680, 66983, 76552, 87488, 95690, 109360, 133966, 153104, 191380, 218720, 267932, 306208, 334915, 382760, 437440, 535864, 612416, 669830, 765520, 1071728, 1339660, 1531040, 2143456, 2679320, 3062080, 4286912, 5358640, 10717280, 21434560]

約数ペア:

[(1, 21434560), (2, 10717280), (4, 5358640), (5, 4286912), (7, 3062080), (8, 2679320), (10, 2143456), (14, 1531040), (16, 1339660), (20, 1071728), (28, 765520), (32, 669830), (35, 612416), (40, 535864), (49, 437440), (56, 382760), (64, 334915), (70, 306208), (80, 267932), (98, 218720), (112, 191380), (140, 153104), (160, 133966), (196, 109360), (224, 95690), (245, 87488), (280, 76552), (320, 66983), (392, 54680), (448, 47845), (490, 43744), (560, 38276), (784, 27340), (980, 21872), (1120, 19138), (1367, 15680), (1568, 13670), (1960, 10936), (2240, 9569), (2734, 7840), (3136, 6835), (3920, 5468)]