21094797171

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1\times {\mathrm{947}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 33782169600

約数和(自身を除く): 12687372429

約数列:

[1, 3, 7, 21, 29, 79, 87, 203, 237, 463, 553, 609, 947, 1389, 1659, 2291, 2841, 3241, 6629, 6873, 9723, 13427, 16037, 19887, 27463, 36577, 40281, 48111, 74813, 82389, 93989, 109731, 192241, 224439, 256039, 281967, 438461, 523691, 576723, 768117, 1060733, 1315383, 1571073, 2169577, 3069227, 3182199, 6508731, 7425131, 9207681, 12715369, 15187039, 22275393, 34638419, 38146107, 45561117, 89007583, 103915257, 242468933, 267022749, 727406799, 1004514151, 3013542453, 7031599057, 21094797171]

約数ペア:

[(1, 21094797171), (3, 7031599057), (7, 3013542453), (21, 1004514151), (29, 727406799), (79, 267022749), (87, 242468933), (203, 103915257), (237, 89007583), (463, 45561117), (553, 38146107), (609, 34638419), (947, 22275393), (1389, 15187039), (1659, 12715369), (2291, 9207681), (2841, 7425131), (3241, 6508731), (6629, 3182199), (6873, 3069227), (9723, 2169577), (13427, 1571073), (16037, 1315383), (19887, 1060733), (27463, 768117), (36577, 576723), (40281, 523691), (48111, 438461), (74813, 281967), (82389, 256039), (93989, 224439), (109731, 192241)]