21077184088

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1\times {\mathrm{2437}}^1$

素因数の和:3020

約数の個数: 64

約数和(自身を含む): 41356281600

約数和(自身を除く): 20279097512

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 479, 488, 958, 1916, 2257, 2437, 3832, 4514, 4874, 9028, 9748, 17723, 18056, 19496, 29219, 35446, 58438, 70892, 90169, 116876, 141784, 148657, 180338, 233752, 297314, 360676, 594628, 721352, 1081103, 1167323, 1189256, 2162206, 2334646, 4324412, 4669292, 5500309, 8648824, 9338584, 11000618, 22001236, 43190951, 44002472, 71206703, 86381902, 142413406, 172763804, 284826812, 345527608, 569653624, 2634648011, 5269296022, 10538592044, 21077184088]

約数ペア:

[(1, 21077184088), (2, 10538592044), (4, 5269296022), (8, 2634648011), (37, 569653624), (61, 345527608), (74, 284826812), (122, 172763804), (148, 142413406), (244, 86381902), (296, 71206703), (479, 44002472), (488, 43190951), (958, 22001236), (1916, 11000618), (2257, 9338584), (2437, 8648824), (3832, 5500309), (4514, 4669292), (4874, 4324412), (9028, 2334646), (9748, 2162206), (17723, 1189256), (18056, 1167323), (19496, 1081103), (29219, 721352), (35446, 594628), (58438, 360676), (70892, 297314), (90169, 233752), (116876, 180338), (141784, 148657)]