21557487104

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1830629}}^1$

素因数の和:1830670

約数の個数: 40

約数和(自身を含む): 44945627760

約数和(自身を除く): 23388140656

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 2944, 5888, 11776, 1830629, 3661258, 7322516, 14645032, 29290064, 42104467, 58580128, 84208934, 117160256, 168417868, 234320512, 336835736, 468641024, 673671472, 937282048, 1347342944, 2694685888, 5389371776, 10778743552, 21557487104]

約数ペア:

[(1, 21557487104), (2, 10778743552), (4, 5389371776), (8, 2694685888), (16, 1347342944), (23, 937282048), (32, 673671472), (46, 468641024), (64, 336835736), (92, 234320512), (128, 168417868), (184, 117160256), (256, 84208934), (368, 58580128), (512, 42104467), (736, 29290064), (1472, 14645032), (2944, 7322516), (5888, 3661258), (11776, 1830629)]