21586423390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{30391}}^1$

素因数の和:30617

約数の個数: 64

約数和(自身を含む): 45340001280

約数和(自身を除く): 23753577890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 139, 146, 278, 365, 511, 695, 730, 973, 1022, 1390, 1946, 2555, 4865, 5110, 9730, 10147, 20294, 30391, 50735, 60782, 71029, 101470, 142058, 151955, 212737, 303910, 355145, 425474, 710290, 1063685, 2127370, 2218543, 4224349, 4437086, 8448698, 11092715, 15529801, 21121745, 22185430, 29570443, 31059602, 42243490, 59140886, 77649005, 147852215, 155298010, 295704430, 308377477, 616754954, 1541887385, 2158642339, 3083774770, 4317284678, 10793211695, 21586423390]

約数ペア:

[(1, 21586423390), (2, 10793211695), (5, 4317284678), (7, 3083774770), (10, 2158642339), (14, 1541887385), (35, 616754954), (70, 308377477), (73, 295704430), (139, 155298010), (146, 147852215), (278, 77649005), (365, 59140886), (511, 42243490), (695, 31059602), (730, 29570443), (973, 22185430), (1022, 21121745), (1390, 15529801), (1946, 11092715), (2555, 8448698), (4865, 4437086), (5110, 4224349), (9730, 2218543), (10147, 2127370), (20294, 1063685), (30391, 710290), (50735, 425474), (60782, 355145), (71029, 303910), (101470, 212737), (142058, 151955)]