21153216

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15739}}^1$

素因数の和:15761

約数の個数: 56

約数和(自身を含む): 63967360

約数和(自身を除く): 42814144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15739, 31478, 47217, 62956, 94434, 110173, 125912, 188868, 220346, 251824, 330519, 377736, 440692, 503648, 661038, 755472, 881384, 1007296, 1322076, 1510944, 1762768, 2644152, 3021888, 3525536, 5288304, 7051072, 10576608, 21153216]

約数ペア:

[(1, 21153216), (2, 10576608), (3, 7051072), (4, 5288304), (6, 3525536), (7, 3021888), (8, 2644152), (12, 1762768), (14, 1510944), (16, 1322076), (21, 1007296), (24, 881384), (28, 755472), (32, 661038), (42, 503648), (48, 440692), (56, 377736), (64, 330519), (84, 251824), (96, 220346), (112, 188868), (168, 125912), (192, 110173), (224, 94434), (336, 62956), (448, 47217), (672, 31478), (1344, 15739)]