21046952

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 44193600

約数和(自身を除く): 23146648

約数列:

[1, 2, 4, 8, 17, 34, 43, 59, 61, 68, 86, 118, 122, 136, 172, 236, 244, 344, 472, 488, 731, 1003, 1037, 1462, 2006, 2074, 2537, 2623, 2924, 3599, 4012, 4148, 5074, 5246, 5848, 7198, 8024, 8296, 10148, 10492, 14396, 20296, 20984, 28792, 43129, 44591, 61183, 86258, 89182, 122366, 154757, 172516, 178364, 244732, 309514, 345032, 356728, 489464, 619028, 1238056, 2630869, 5261738, 10523476, 21046952]

約数ペア:

[(1, 21046952), (2, 10523476), (4, 5261738), (8, 2630869), (17, 1238056), (34, 619028), (43, 489464), (59, 356728), (61, 345032), (68, 309514), (86, 244732), (118, 178364), (122, 172516), (136, 154757), (172, 122366), (236, 89182), (244, 86258), (344, 61183), (472, 44591), (488, 43129), (731, 28792), (1003, 20984), (1037, 20296), (1462, 14396), (2006, 10492), (2074, 10148), (2537, 8296), (2623, 8024), (2924, 7198), (3599, 5848), (4012, 5246), (4148, 5074)]