21452292

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 57948800

約数和(自身を除く): 36496508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 79, 114, 158, 171, 228, 237, 316, 342, 397, 474, 684, 711, 794, 948, 1191, 1422, 1501, 1588, 2382, 2844, 3002, 3573, 4503, 4764, 6004, 7146, 7543, 9006, 13509, 14292, 15086, 18012, 22629, 27018, 30172, 31363, 45258, 54036, 62726, 67887, 90516, 94089, 125452, 135774, 188178, 271548, 282267, 376356, 564534, 595897, 1129068, 1191794, 1787691, 2383588, 3575382, 5363073, 7150764, 10726146, 21452292]

約数ペア:

[(1, 21452292), (2, 10726146), (3, 7150764), (4, 5363073), (6, 3575382), (9, 2383588), (12, 1787691), (18, 1191794), (19, 1129068), (36, 595897), (38, 564534), (57, 376356), (76, 282267), (79, 271548), (114, 188178), (158, 135774), (171, 125452), (228, 94089), (237, 90516), (316, 67887), (342, 62726), (397, 54036), (474, 45258), (684, 31363), (711, 30172), (794, 27018), (948, 22629), (1191, 18012), (1422, 15086), (1501, 14292), (1588, 13509), (2382, 9006), (2844, 7543), (3002, 7146), (3573, 6004), (4503, 4764)]