21265218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4783}}^1$

素因数の和:4823

約数の個数: 48

約数和(自身を含む): 52241280

約数和(自身を除く): 30976062

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4783, 9566, 14349, 28698, 43047, 62179, 86094, 90877, 124358, 181754, 186537, 272631, 373074, 545262, 559611, 817893, 1119222, 1181401, 1635786, 2362802, 3544203, 7088406, 10632609, 21265218]

約数ペア:

[(1, 21265218), (2, 10632609), (3, 7088406), (6, 3544203), (9, 2362802), (13, 1635786), (18, 1181401), (19, 1119222), (26, 817893), (38, 559611), (39, 545262), (57, 373074), (78, 272631), (114, 186537), (117, 181754), (171, 124358), (234, 90877), (247, 86094), (342, 62179), (494, 43047), (741, 28698), (1482, 14349), (2223, 9566), (4446, 4783)]