21723030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 68481504

約数和(自身を除く): 46758474

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 41, 42, 45, 58, 63, 70, 82, 87, 90, 105, 123, 126, 145, 174, 203, 205, 210, 246, 261, 287, 290, 315, 369, 406, 410, 435, 522, 574, 609, 615, 630, 738, 841, 861, 870, 1015, 1189, 1218, 1230, 1305, 1435, 1682, 1722, 1827, 1845, 2030, 2378, 2523, 2583, 2610, 2870, 3045, 3567, 3654, 3690, 4205, 4305, 5046, 5166, 5887, 5945, 6090, 7134, 7569, 8323, 8410, 8610, 9135, 10701, 11774, 11890, 12615, 12915, 15138, 16646, 17661, 17835, 18270, 21402, 24969, 25230, 25830, 29435, 34481, 35322, 35670, 37845, 41615, 49938, 52983, 53505, 58870, 68962, 74907, 75690, 83230, 88305, 103443, 105966, 107010, 124845, 149814, 172405, 176610, 206886, 241367, 249690, 264915, 310329, 344810, 374535, 482734, 517215, 529830, 620658, 724101, 749070, 1034430, 1206835, 1448202, 1551645, 2172303, 2413670, 3103290, 3620505, 4344606, 7241010, 10861515, 21723030]

約数ペア:

[(1, 21723030), (2, 10861515), (3, 7241010), (5, 4344606), (6, 3620505), (7, 3103290), (9, 2413670), (10, 2172303), (14, 1551645), (15, 1448202), (18, 1206835), (21, 1034430), (29, 749070), (30, 724101), (35, 620658), (41, 529830), (42, 517215), (45, 482734), (58, 374535), (63, 344810), (70, 310329), (82, 264915), (87, 249690), (90, 241367), (105, 206886), (123, 176610), (126, 172405), (145, 149814), (174, 124845), (203, 107010), (205, 105966), (210, 103443), (246, 88305), (261, 83230), (287, 75690), (290, 74907), (315, 68962), (369, 58870), (406, 53505), (410, 52983), (435, 49938), (522, 41615), (574, 37845), (609, 35670), (615, 35322), (630, 34481), (738, 29435), (841, 25830), (861, 25230), (870, 24969), (1015, 21402), (1189, 18270), (1218, 17835), (1230, 17661), (1305, 16646), (1435, 15138), (1682, 12915), (1722, 12615), (1827, 11890), (1845, 11774), (2030, 10701), (2378, 9135), (2523, 8610), (2583, 8410), (2610, 8323), (2870, 7569), (3045, 7134), (3567, 6090), (3654, 5945), (3690, 5887), (4205, 5166), (4305, 5046)]