21595590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 60259680

約数和(自身を除く): 38664090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 73, 90, 95, 114, 146, 171, 173, 190, 219, 285, 342, 346, 365, 438, 519, 570, 657, 730, 855, 865, 1038, 1095, 1314, 1387, 1557, 1710, 1730, 2190, 2595, 2774, 3114, 3285, 3287, 4161, 5190, 6570, 6574, 6935, 7785, 8322, 9861, 12483, 12629, 13870, 15570, 16435, 19722, 20805, 24966, 25258, 29583, 32870, 37887, 41610, 49305, 59166, 62415, 63145, 75774, 98610, 113661, 124830, 126290, 147915, 189435, 227322, 239951, 295830, 378870, 479902, 568305, 719853, 1136610, 1199755, 1439706, 2159559, 2399510, 3599265, 4319118, 7198530, 10797795, 21595590]

約数ペア:

[(1, 21595590), (2, 10797795), (3, 7198530), (5, 4319118), (6, 3599265), (9, 2399510), (10, 2159559), (15, 1439706), (18, 1199755), (19, 1136610), (30, 719853), (38, 568305), (45, 479902), (57, 378870), (73, 295830), (90, 239951), (95, 227322), (114, 189435), (146, 147915), (171, 126290), (173, 124830), (190, 113661), (219, 98610), (285, 75774), (342, 63145), (346, 62415), (365, 59166), (438, 49305), (519, 41610), (570, 37887), (657, 32870), (730, 29583), (855, 25258), (865, 24966), (1038, 20805), (1095, 19722), (1314, 16435), (1387, 15570), (1557, 13870), (1710, 12629), (1730, 12483), (2190, 9861), (2595, 8322), (2774, 7785), (3114, 6935), (3285, 6574), (3287, 6570), (4161, 5190)]