21199932

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{467}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 58430736

約数和(自身を除く): 37230804

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 467, 468, 582, 873, 934, 1164, 1261, 1401, 1746, 1868, 2522, 2802, 3492, 3783, 4203, 5044, 5604, 6071, 7566, 8406, 11349, 12142, 15132, 16812, 18213, 22698, 24284, 36426, 45299, 45396, 54639, 72852, 90598, 109278, 135897, 181196, 218556, 271794, 407691, 543588, 588887, 815382, 1177774, 1630764, 1766661, 2355548, 3533322, 5299983, 7066644, 10599966, 21199932]

約数ペア:

[(1, 21199932), (2, 10599966), (3, 7066644), (4, 5299983), (6, 3533322), (9, 2355548), (12, 1766661), (13, 1630764), (18, 1177774), (26, 815382), (36, 588887), (39, 543588), (52, 407691), (78, 271794), (97, 218556), (117, 181196), (156, 135897), (194, 109278), (234, 90598), (291, 72852), (388, 54639), (467, 45396), (468, 45299), (582, 36426), (873, 24284), (934, 22698), (1164, 18213), (1261, 16812), (1401, 15132), (1746, 12142), (1868, 11349), (2522, 8406), (2802, 7566), (3492, 6071), (3783, 5604), (4203, 5044)]