21472010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2239}}^1$

素因数の和:2390

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 23041270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2239, 4478, 4795, 9590, 11195, 15673, 22390, 31346, 78365, 156730, 306743, 613486, 1533715, 2147201, 3067430, 4294402, 10736005, 21472010]

約数ペア:

[(1, 21472010), (2, 10736005), (5, 4294402), (7, 3067430), (10, 2147201), (14, 1533715), (35, 613486), (70, 306743), (137, 156730), (274, 78365), (685, 31346), (959, 22390), (1370, 15673), (1918, 11195), (2239, 9590), (4478, 4795)]