21294560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19013}}^1$

素因数の和:19035

約数の個数: 48

約数和(自身を含む): 57498336

約数和(自身を除く): 36203776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19013, 38026, 76052, 95065, 133091, 152104, 190130, 266182, 304208, 380260, 532364, 608416, 665455, 760520, 1064728, 1330910, 1521040, 2129456, 2661820, 3042080, 4258912, 5323640, 10647280, 21294560]

約数ペア:

[(1, 21294560), (2, 10647280), (4, 5323640), (5, 4258912), (7, 3042080), (8, 2661820), (10, 2129456), (14, 1521040), (16, 1330910), (20, 1064728), (28, 760520), (32, 665455), (35, 608416), (40, 532364), (56, 380260), (70, 304208), (80, 266182), (112, 190130), (140, 152104), (160, 133091), (224, 95065), (280, 76052), (560, 38026), (1120, 19013)]