21117264

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3697}}^1$

素因数の和:3732

約数の個数: 80

約数和(自身を含む): 66031488

約数和(自身を除く): 44914224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 3697, 5712, 7394, 11091, 14788, 22182, 25879, 29576, 44364, 51758, 59152, 62849, 77637, 88728, 103516, 125698, 155274, 177456, 188547, 207032, 251396, 310548, 377094, 414064, 439943, 502792, 621096, 754188, 879886, 1005584, 1242192, 1319829, 1508376, 1759772, 2639658, 3016752, 3519544, 5279316, 7039088, 10558632, 21117264]

約数ペア:

[(1, 21117264), (2, 10558632), (3, 7039088), (4, 5279316), (6, 3519544), (7, 3016752), (8, 2639658), (12, 1759772), (14, 1508376), (16, 1319829), (17, 1242192), (21, 1005584), (24, 879886), (28, 754188), (34, 621096), (42, 502792), (48, 439943), (51, 414064), (56, 377094), (68, 310548), (84, 251396), (102, 207032), (112, 188547), (119, 177456), (136, 155274), (168, 125698), (204, 103516), (238, 88728), (272, 77637), (336, 62849), (357, 59152), (408, 51758), (476, 44364), (714, 29576), (816, 25879), (952, 22182), (1428, 14788), (1904, 11091), (2856, 7394), (3697, 5712)]