21448530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 62380800

約数和(自身を除く): 40932270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 37, 38, 45, 54, 57, 74, 90, 95, 111, 113, 114, 135, 171, 185, 190, 222, 226, 270, 285, 333, 339, 342, 370, 513, 555, 565, 570, 666, 678, 703, 855, 999, 1017, 1026, 1110, 1130, 1406, 1665, 1695, 1710, 1998, 2034, 2109, 2147, 2565, 3051, 3330, 3390, 3515, 4181, 4218, 4294, 4995, 5085, 5130, 6102, 6327, 6441, 7030, 8362, 9990, 10170, 10545, 10735, 12543, 12654, 12882, 15255, 18981, 19323, 20905, 21090, 21470, 25086, 30510, 31635, 32205, 37629, 37962, 38646, 41810, 57969, 62715, 63270, 64410, 75258, 79439, 94905, 96615, 112887, 115938, 125430, 158878, 188145, 189810, 193230, 225774, 238317, 289845, 376290, 397195, 476634, 564435, 579690, 714951, 794390, 1128870, 1191585, 1429902, 2144853, 2383170, 3574755, 4289706, 7149510, 10724265, 21448530]

約数ペア:

[(1, 21448530), (2, 10724265), (3, 7149510), (5, 4289706), (6, 3574755), (9, 2383170), (10, 2144853), (15, 1429902), (18, 1191585), (19, 1128870), (27, 794390), (30, 714951), (37, 579690), (38, 564435), (45, 476634), (54, 397195), (57, 376290), (74, 289845), (90, 238317), (95, 225774), (111, 193230), (113, 189810), (114, 188145), (135, 158878), (171, 125430), (185, 115938), (190, 112887), (222, 96615), (226, 94905), (270, 79439), (285, 75258), (333, 64410), (339, 63270), (342, 62715), (370, 57969), (513, 41810), (555, 38646), (565, 37962), (570, 37629), (666, 32205), (678, 31635), (703, 30510), (855, 25086), (999, 21470), (1017, 21090), (1026, 20905), (1110, 19323), (1130, 18981), (1406, 15255), (1665, 12882), (1695, 12654), (1710, 12543), (1998, 10735), (2034, 10545), (2109, 10170), (2147, 9990), (2565, 8362), (3051, 7030), (3330, 6441), (3390, 6327), (3515, 6102), (4181, 5130), (4218, 5085), (4294, 4995)]