21205596

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5471}}^1$

素因数の和:5514

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 33952164

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5471, 10942, 16413, 21884, 32826, 65652, 93007, 103949, 186014, 207898, 279021, 311847, 372028, 415796, 558042, 623694, 1116084, 1247388, 1767133, 3534266, 5301399, 7068532, 10602798, 21205596]

約数ペア:

[(1, 21205596), (2, 10602798), (3, 7068532), (4, 5301399), (6, 3534266), (12, 1767133), (17, 1247388), (19, 1116084), (34, 623694), (38, 558042), (51, 415796), (57, 372028), (68, 311847), (76, 279021), (102, 207898), (114, 186014), (204, 103949), (228, 93007), (323, 65652), (646, 32826), (969, 21884), (1292, 16413), (1938, 10942), (3876, 5471)]