21789804944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{530527}}^1$

素因数の和:530703

約数の個数: 40

約数和(自身を含む): 44997262848

約数和(自身を除く): 23207457904

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 151, 272, 302, 604, 1208, 2416, 2567, 5134, 10268, 20536, 41072, 530527, 1061054, 2122108, 4244216, 8488432, 9018959, 18037918, 36075836, 72151672, 80109577, 144303344, 160219154, 320438308, 640876616, 1281753232, 1361862809, 2723725618, 5447451236, 10894902472, 21789804944]

約数ペア:

[(1, 21789804944), (2, 10894902472), (4, 5447451236), (8, 2723725618), (16, 1361862809), (17, 1281753232), (34, 640876616), (68, 320438308), (136, 160219154), (151, 144303344), (272, 80109577), (302, 72151672), (604, 36075836), (1208, 18037918), (2416, 9018959), (2567, 8488432), (5134, 4244216), (10268, 2122108), (20536, 1061054), (41072, 530527)]