21757698

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 50150880

約数和(自身を除く): 28393182

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 113, 114, 171, 226, 339, 342, 563, 678, 1017, 1126, 1689, 2034, 2147, 3378, 4294, 5067, 6441, 10134, 10697, 12882, 19323, 21394, 32091, 38646, 63619, 64182, 96273, 127238, 190857, 192546, 381714, 572571, 1145142, 1208761, 2417522, 3626283, 7252566, 10878849, 21757698]

約数ペア:

[(1, 21757698), (2, 10878849), (3, 7252566), (6, 3626283), (9, 2417522), (18, 1208761), (19, 1145142), (38, 572571), (57, 381714), (113, 192546), (114, 190857), (171, 127238), (226, 96273), (339, 64182), (342, 63619), (563, 38646), (678, 32091), (1017, 21394), (1126, 19323), (1689, 12882), (2034, 10697), (2147, 10134), (3378, 6441), (4294, 5067)]