21771672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2304

約数の個数: 64

約数和(自身を含む): 60533760

約数和(自身を除く): 38762088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2251, 2418, 3224, 4502, 4836, 6753, 9004, 9672, 13506, 18008, 27012, 29263, 54024, 58526, 69781, 87789, 117052, 139562, 175578, 209343, 234104, 279124, 351156, 418686, 558248, 702312, 837372, 907153, 1674744, 1814306, 2721459, 3628612, 5442918, 7257224, 10885836, 21771672]

約数ペア:

[(1, 21771672), (2, 10885836), (3, 7257224), (4, 5442918), (6, 3628612), (8, 2721459), (12, 1814306), (13, 1674744), (24, 907153), (26, 837372), (31, 702312), (39, 558248), (52, 418686), (62, 351156), (78, 279124), (93, 234104), (104, 209343), (124, 175578), (156, 139562), (186, 117052), (248, 87789), (312, 69781), (372, 58526), (403, 54024), (744, 29263), (806, 27012), (1209, 18008), (1612, 13506), (2251, 9672), (2418, 9004), (3224, 6753), (4502, 4836)]