21445224

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 35578776

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 131, 152, 228, 262, 359, 393, 456, 524, 718, 786, 1048, 1077, 1436, 1572, 2154, 2489, 2872, 3144, 4308, 4978, 6821, 7467, 8616, 9956, 13642, 14934, 19912, 20463, 27284, 29868, 40926, 47029, 54568, 59736, 81852, 94058, 141087, 163704, 188116, 282174, 376232, 564348, 893551, 1128696, 1787102, 2680653, 3574204, 5361306, 7148408, 10722612, 21445224]

約数ペア:

[(1, 21445224), (2, 10722612), (3, 7148408), (4, 5361306), (6, 3574204), (8, 2680653), (12, 1787102), (19, 1128696), (24, 893551), (38, 564348), (57, 376232), (76, 282174), (114, 188116), (131, 163704), (152, 141087), (228, 94058), (262, 81852), (359, 59736), (393, 54568), (456, 47029), (524, 40926), (718, 29868), (786, 27284), (1048, 20463), (1077, 19912), (1436, 14934), (1572, 13642), (2154, 9956), (2489, 8616), (2872, 7467), (3144, 6821), (4308, 4978)]