21920262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2157

約数の個数: 64

約数和(自身を含む): 56824320

約数和(自身を除く): 34904058

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 2113, 3458, 4226, 5187, 6339, 10374, 12678, 14791, 27469, 29582, 40147, 44373, 54938, 80294, 82407, 88746, 120441, 164814, 192283, 240882, 281029, 384566, 521911, 562058, 576849, 843087, 1043822, 1153698, 1565733, 1686174, 3131466, 3653377, 7306754, 10960131, 21920262]

約数ペア:

[(1, 21920262), (2, 10960131), (3, 7306754), (6, 3653377), (7, 3131466), (13, 1686174), (14, 1565733), (19, 1153698), (21, 1043822), (26, 843087), (38, 576849), (39, 562058), (42, 521911), (57, 384566), (78, 281029), (91, 240882), (114, 192283), (133, 164814), (182, 120441), (247, 88746), (266, 82407), (273, 80294), (399, 54938), (494, 44373), (546, 40147), (741, 29582), (798, 27469), (1482, 14791), (1729, 12678), (2113, 10374), (3458, 6339), (4226, 5187)]