2021840820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211933}}^1$

素因数の和:212001

約数の個数: 72

約数和(自身を含む): 6248662056

約数和(自身を除く): 4226821236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 211933, 423866, 635799, 847732, 1059665, 1271598, 1907397, 2119330, 2543196, 3178995, 3814794, 4238660, 6357990, 7629588, 9536985, 11232449, 12715980, 19073970, 22464898, 33697347, 38147940, 44929796, 56162245, 67394694, 101092041, 112324490, 134789388, 168486735, 202184082, 224648980, 336973470, 404368164, 505460205, 673946940, 1010920410, 2021840820]

約数ペア:

[(1, 2021840820), (2, 1010920410), (3, 673946940), (4, 505460205), (5, 404368164), (6, 336973470), (9, 224648980), (10, 202184082), (12, 168486735), (15, 134789388), (18, 112324490), (20, 101092041), (30, 67394694), (36, 56162245), (45, 44929796), (53, 38147940), (60, 33697347), (90, 22464898), (106, 19073970), (159, 12715980), (180, 11232449), (212, 9536985), (265, 7629588), (318, 6357990), (477, 4238660), (530, 3814794), (636, 3178995), (795, 2543196), (954, 2119330), (1060, 1907397), (1590, 1271598), (1908, 1059665), (2385, 847732), (3180, 635799), (4770, 423866), (9540, 211933)]