21873306120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{16657}}^1$

素因数の和:17055

約数の個数: 128

約数和(自身を含む): 67932656640

約数和(自身を除く): 46059350520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 353, 372, 465, 620, 706, 744, 930, 1059, 1240, 1412, 1765, 1860, 2118, 2824, 3530, 3720, 4236, 5295, 7060, 8472, 10590, 10943, 14120, 16657, 21180, 21886, 32829, 33314, 42360, 43772, 49971, 54715, 65658, 66628, 83285, 87544, 99942, 109430, 131316, 133256, 164145, 166570, 199884, 218860, 249855, 262632, 328290, 333140, 399768, 437720, 499710, 516367, 656580, 666280, 999420, 1032734, 1313160, 1549101, 1998840, 2065468, 2581835, 3098202, 4130936, 5163670, 5879921, 6196404, 7745505, 10327340, 11759842, 12392808, 15491010, 17639763, 20654680, 23519684, 29399605, 30982020, 35279526, 47039368, 58799210, 61964040, 70559052, 88198815, 117598420, 141118104, 176397630, 182277551, 235196840, 352795260, 364555102, 546832653, 705590520, 729110204, 911387755, 1093665306, 1458220408, 1822775510, 2187330612, 2734163265, 3645551020, 4374661224, 5468326530, 7291102040, 10936653060, 21873306120]

約数ペア:

[(1, 21873306120), (2, 10936653060), (3, 7291102040), (4, 5468326530), (5, 4374661224), (6, 3645551020), (8, 2734163265), (10, 2187330612), (12, 1822775510), (15, 1458220408), (20, 1093665306), (24, 911387755), (30, 729110204), (31, 705590520), (40, 546832653), (60, 364555102), (62, 352795260), (93, 235196840), (120, 182277551), (124, 176397630), (155, 141118104), (186, 117598420), (248, 88198815), (310, 70559052), (353, 61964040), (372, 58799210), (465, 47039368), (620, 35279526), (706, 30982020), (744, 29399605), (930, 23519684), (1059, 20654680), (1240, 17639763), (1412, 15491010), (1765, 12392808), (1860, 11759842), (2118, 10327340), (2824, 7745505), (3530, 6196404), (3720, 5879921), (4236, 5163670), (5295, 4130936), (7060, 3098202), (8472, 2581835), (10590, 2065468), (10943, 1998840), (14120, 1549101), (16657, 1313160), (21180, 1032734), (21886, 999420), (32829, 666280), (33314, 656580), (42360, 516367), (43772, 499710), (49971, 437720), (54715, 399768), (65658, 333140), (66628, 328290), (83285, 262632), (87544, 249855), (99942, 218860), (109430, 199884), (131316, 166570), (133256, 164145)]