21541770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6469}}^1$

素因数の和:6519

約数の個数: 48

約数和(自身を含む): 57531240

約数和(自身を除く): 35989470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 6469, 12938, 19407, 32345, 38814, 58221, 64690, 97035, 116442, 194070, 239353, 291105, 478706, 582210, 718059, 1196765, 1436118, 2154177, 2393530, 3590295, 4308354, 7180590, 10770885, 21541770]

約数ペア:

[(1, 21541770), (2, 10770885), (3, 7180590), (5, 4308354), (6, 3590295), (9, 2393530), (10, 2154177), (15, 1436118), (18, 1196765), (30, 718059), (37, 582210), (45, 478706), (74, 291105), (90, 239353), (111, 194070), (185, 116442), (222, 97035), (333, 64690), (370, 58221), (555, 38814), (666, 32345), (1110, 19407), (1665, 12938), (3330, 6469)]