21177448

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 40930560

約数和(自身を除く): 19753112

約数列:

[1, 2, 4, 8, 47, 94, 151, 188, 302, 373, 376, 604, 746, 1208, 1492, 2984, 7097, 14194, 17531, 28388, 35062, 56323, 56776, 70124, 112646, 140248, 225292, 450584, 2647181, 5294362, 10588724, 21177448]

約数ペア:

[(1, 21177448), (2, 10588724), (4, 5294362), (8, 2647181), (47, 450584), (94, 225292), (151, 140248), (188, 112646), (302, 70124), (373, 56776), (376, 56323), (604, 35062), (746, 28388), (1208, 17531), (1492, 14194), (2984, 7097)]