21052052

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 45577728

約数和(自身を除く): 24525676

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 329, 476, 658, 799, 941, 1316, 1598, 1882, 3196, 3764, 5593, 6587, 11186, 13174, 15997, 22372, 26348, 31994, 44227, 63988, 88454, 111979, 176908, 223958, 309589, 447916, 619178, 751859, 1238356, 1503718, 3007436, 5263013, 10526026, 21052052]

約数ペア:

[(1, 21052052), (2, 10526026), (4, 5263013), (7, 3007436), (14, 1503718), (17, 1238356), (28, 751859), (34, 619178), (47, 447916), (68, 309589), (94, 223958), (119, 176908), (188, 111979), (238, 88454), (329, 63988), (476, 44227), (658, 31994), (799, 26348), (941, 22372), (1316, 15997), (1598, 13174), (1882, 11186), (3196, 6587), (3764, 5593)]