21229121180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1433}}^1\times {\mathrm{12143}}^1$

素因数の和:13646

約数の個数: 48

約数和(自身を含む): 45347347584

約数和(自身を除く): 24118226404

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1433, 2866, 5732, 7165, 12143, 14330, 24286, 28660, 48572, 60715, 87413, 121430, 174826, 242860, 349652, 437065, 740723, 874130, 1481446, 1748260, 2962892, 3703615, 7407230, 14814460, 17400919, 34801838, 69603676, 87004595, 174009190, 348018380, 1061456059, 2122912118, 4245824236, 5307280295, 10614560590, 21229121180]

約数ペア:

[(1, 21229121180), (2, 10614560590), (4, 5307280295), (5, 4245824236), (10, 2122912118), (20, 1061456059), (61, 348018380), (122, 174009190), (244, 87004595), (305, 69603676), (610, 34801838), (1220, 17400919), (1433, 14814460), (2866, 7407230), (5732, 3703615), (7165, 2962892), (12143, 1748260), (14330, 1481446), (24286, 874130), (28660, 740723), (48572, 437065), (60715, 349652), (87413, 242860), (121430, 174826)]