21599396

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:218

約数の個数: 60

約数和(自身を含む): 47762652

約数和(自身を除く): 26163256

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 173, 182, 196, 343, 346, 364, 637, 686, 692, 1211, 1274, 1372, 2249, 2401, 2422, 2548, 4459, 4498, 4802, 4844, 8477, 8918, 8996, 9604, 15743, 16954, 17836, 31213, 31486, 33908, 59339, 62426, 62972, 110201, 118678, 124852, 220402, 237356, 415373, 440804, 771407, 830746, 1542814, 1661492, 3085628, 5399849, 10799698, 21599396]

約数ペア:

[(1, 21599396), (2, 10799698), (4, 5399849), (7, 3085628), (13, 1661492), (14, 1542814), (26, 830746), (28, 771407), (49, 440804), (52, 415373), (91, 237356), (98, 220402), (173, 124852), (182, 118678), (196, 110201), (343, 62972), (346, 62426), (364, 59339), (637, 33908), (686, 31486), (692, 31213), (1211, 17836), (1274, 16954), (1372, 15743), (2249, 9604), (2401, 8996), (2422, 8918), (2548, 8477), (4459, 4844), (4498, 4802)]