21802352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{733}}^1$

素因数の和:778

約数の個数: 60

約数和(自身を含む): 49967784

約数和(自身を除く): 28165432

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 572, 676, 733, 1144, 1352, 1466, 1859, 2288, 2704, 2932, 3718, 5864, 7436, 8063, 9529, 11728, 14872, 16126, 19058, 29744, 32252, 38116, 64504, 76232, 104819, 123877, 129008, 152464, 209638, 247754, 419276, 495508, 838552, 991016, 1362647, 1677104, 1982032, 2725294, 5450588, 10901176, 21802352]

約数ペア:

[(1, 21802352), (2, 10901176), (4, 5450588), (8, 2725294), (11, 1982032), (13, 1677104), (16, 1362647), (22, 991016), (26, 838552), (44, 495508), (52, 419276), (88, 247754), (104, 209638), (143, 152464), (169, 129008), (176, 123877), (208, 104819), (286, 76232), (338, 64504), (572, 38116), (676, 32252), (733, 29744), (1144, 19058), (1352, 16126), (1466, 14872), (1859, 11728), (2288, 9529), (2704, 8063), (2932, 7436), (3718, 5864)]