21297348

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 56434560

約数和(自身を除く): 35137212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 59, 74, 111, 118, 148, 177, 222, 236, 271, 333, 354, 444, 531, 542, 666, 708, 813, 1062, 1084, 1332, 1626, 2124, 2183, 2439, 3252, 4366, 4878, 6549, 8732, 9756, 10027, 13098, 15989, 19647, 20054, 26196, 30081, 31978, 39294, 40108, 47967, 60162, 63956, 78588, 90243, 95934, 120324, 143901, 180486, 191868, 287802, 360972, 575604, 591593, 1183186, 1774779, 2366372, 3549558, 5324337, 7099116, 10648674, 21297348]

約数ペア:

[(1, 21297348), (2, 10648674), (3, 7099116), (4, 5324337), (6, 3549558), (9, 2366372), (12, 1774779), (18, 1183186), (36, 591593), (37, 575604), (59, 360972), (74, 287802), (111, 191868), (118, 180486), (148, 143901), (177, 120324), (222, 95934), (236, 90243), (271, 78588), (333, 63956), (354, 60162), (444, 47967), (531, 40108), (542, 39294), (666, 31978), (708, 30081), (813, 26196), (1062, 20054), (1084, 19647), (1332, 15989), (1626, 13098), (2124, 10027), (2183, 9756), (2439, 8732), (3252, 6549), (4366, 4878)]