21227832760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1\times {\mathrm{4813}}^1$

素因数の和:6448

約数の個数: 64

約数和(自身を含む): 48476594880

約数和(自身を除く): 27248762120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1553, 2840, 3106, 4813, 6212, 7765, 9626, 12424, 15530, 19252, 24065, 31060, 38504, 48130, 62120, 96260, 110263, 192520, 220526, 341723, 441052, 551315, 683446, 882104, 1102630, 1366892, 1708615, 2205260, 2733784, 3417230, 4410520, 6834460, 7474589, 13668920, 14949178, 29898356, 37372945, 59796712, 74745890, 149491780, 298983560, 530695819, 1061391638, 2122783276, 2653479095, 4245566552, 5306958190, 10613916380, 21227832760]

約数ペア:

[(1, 21227832760), (2, 10613916380), (4, 5306958190), (5, 4245566552), (8, 2653479095), (10, 2122783276), (20, 1061391638), (40, 530695819), (71, 298983560), (142, 149491780), (284, 74745890), (355, 59796712), (568, 37372945), (710, 29898356), (1420, 14949178), (1553, 13668920), (2840, 7474589), (3106, 6834460), (4813, 4410520), (6212, 3417230), (7765, 2733784), (9626, 2205260), (12424, 1708615), (15530, 1366892), (19252, 1102630), (24065, 882104), (31060, 683446), (38504, 551315), (48130, 441052), (62120, 341723), (96260, 220526), (110263, 192520)]