21194272

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3169}}^1$

素因数の和:3209

約数の個数: 48

約数和(自身を含む): 47930400

約数和(自身を除く): 26736128

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3169, 3344, 6338, 6688, 12676, 25352, 34859, 50704, 60211, 69718, 101408, 120422, 139436, 240844, 278872, 481688, 557744, 662321, 963376, 1115488, 1324642, 1926752, 2649284, 5298568, 10597136, 21194272]

約数ペア:

[(1, 21194272), (2, 10597136), (4, 5298568), (8, 2649284), (11, 1926752), (16, 1324642), (19, 1115488), (22, 963376), (32, 662321), (38, 557744), (44, 481688), (76, 278872), (88, 240844), (152, 139436), (176, 120422), (209, 101408), (304, 69718), (352, 60211), (418, 50704), (608, 34859), (836, 25352), (1672, 12676), (3169, 6688), (3344, 6338)]