21646501560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6681019}}^1$

素因数の和:6681042

約数の個数: 80

約数和(自身を含む): 72756307800

約数和(自身を除く): 51109806240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6681019, 13362038, 20043057, 26724076, 33405095, 40086114, 53448152, 60129171, 66810190, 80172228, 100215285, 120258342, 133620380, 160344456, 180387513, 200430570, 240516684, 267240760, 300645855, 360775026, 400861140, 481033368, 541162539, 601291710, 721550052, 801722280, 901937565, 1082325078, 1202583420, 1443100104, 1803875130, 2164650156, 2405166840, 2705812695, 3607750260, 4329300312, 5411625390, 7215500520, 10823250780, 21646501560]

約数ペア:

[(1, 21646501560), (2, 10823250780), (3, 7215500520), (4, 5411625390), (5, 4329300312), (6, 3607750260), (8, 2705812695), (9, 2405166840), (10, 2164650156), (12, 1803875130), (15, 1443100104), (18, 1202583420), (20, 1082325078), (24, 901937565), (27, 801722280), (30, 721550052), (36, 601291710), (40, 541162539), (45, 481033368), (54, 400861140), (60, 360775026), (72, 300645855), (81, 267240760), (90, 240516684), (108, 200430570), (120, 180387513), (135, 160344456), (162, 133620380), (180, 120258342), (216, 100215285), (270, 80172228), (324, 66810190), (360, 60129171), (405, 53448152), (540, 40086114), (648, 33405095), (810, 26724076), (1080, 20043057), (1620, 13362038), (3240, 6681019)]