21609957650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{47137}}^1$

素因数の和:47375

約数の個数: 48

約数和(自身を含む): 41190504264

約数和(自身を除く): 19580546614

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 173, 265, 346, 530, 865, 1325, 1730, 2650, 4325, 8650, 9169, 18338, 45845, 47137, 91690, 94274, 229225, 235685, 458450, 471370, 1178425, 2356850, 2498261, 4996522, 8154701, 12491305, 16309402, 24982610, 40773505, 62456525, 81547010, 124913050, 203867525, 407735050, 432199153, 864398306, 2160995765, 4321991530, 10804978825, 21609957650]

約数ペア:

[(1, 21609957650), (2, 10804978825), (5, 4321991530), (10, 2160995765), (25, 864398306), (50, 432199153), (53, 407735050), (106, 203867525), (173, 124913050), (265, 81547010), (346, 62456525), (530, 40773505), (865, 24982610), (1325, 16309402), (1730, 12491305), (2650, 8154701), (4325, 4996522), (8650, 2498261), (9169, 2356850), (18338, 1178425), (45845, 471370), (47137, 458450), (91690, 235685), (94274, 229225)]