21837180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 43965060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 79, 85, 102, 158, 170, 204, 237, 255, 271, 316, 340, 395, 474, 510, 542, 790, 813, 948, 1020, 1084, 1185, 1343, 1355, 1580, 1626, 2370, 2686, 2710, 3252, 4029, 4065, 4607, 4740, 5372, 5420, 6715, 8058, 8130, 9214, 13430, 13821, 16116, 16260, 18428, 20145, 21409, 23035, 26860, 27642, 40290, 42818, 46070, 55284, 64227, 69105, 80580, 85636, 92140, 107045, 128454, 138210, 214090, 256908, 276420, 321135, 363953, 428180, 642270, 727906, 1091859, 1284540, 1455812, 1819765, 2183718, 3639530, 4367436, 5459295, 7279060, 10918590, 21837180]

約数ペア:

[(1, 21837180), (2, 10918590), (3, 7279060), (4, 5459295), (5, 4367436), (6, 3639530), (10, 2183718), (12, 1819765), (15, 1455812), (17, 1284540), (20, 1091859), (30, 727906), (34, 642270), (51, 428180), (60, 363953), (68, 321135), (79, 276420), (85, 256908), (102, 214090), (158, 138210), (170, 128454), (204, 107045), (237, 92140), (255, 85636), (271, 80580), (316, 69105), (340, 64227), (395, 55284), (474, 46070), (510, 42818), (542, 40290), (790, 27642), (813, 26860), (948, 23035), (1020, 21409), (1084, 20145), (1185, 18428), (1343, 16260), (1355, 16116), (1580, 13821), (1626, 13430), (2370, 9214), (2686, 8130), (2710, 8058), (3252, 6715), (4029, 5420), (4065, 5372), (4607, 4740)]