21956760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8713}}^1$

素因数の和:8737

約数の個数: 96

約数和(自身を含む): 81563040

約数和(自身を除く): 59606280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8713, 17426, 26139, 34852, 43565, 52278, 60991, 69704, 78417, 87130, 104556, 121982, 130695, 156834, 174260, 182973, 209112, 243964, 261390, 304955, 313668, 348520, 365946, 392085, 487928, 522780, 548919, 609910, 627336, 731892, 784170, 914865, 1045560, 1097838, 1219820, 1463784, 1568340, 1829730, 2195676, 2439640, 2744595, 3136680, 3659460, 4391352, 5489190, 7318920, 10978380, 21956760]

約数ペア:

[(1, 21956760), (2, 10978380), (3, 7318920), (4, 5489190), (5, 4391352), (6, 3659460), (7, 3136680), (8, 2744595), (9, 2439640), (10, 2195676), (12, 1829730), (14, 1568340), (15, 1463784), (18, 1219820), (20, 1097838), (21, 1045560), (24, 914865), (28, 784170), (30, 731892), (35, 627336), (36, 609910), (40, 548919), (42, 522780), (45, 487928), (56, 392085), (60, 365946), (63, 348520), (70, 313668), (72, 304955), (84, 261390), (90, 243964), (105, 209112), (120, 182973), (126, 174260), (140, 156834), (168, 130695), (180, 121982), (210, 104556), (252, 87130), (280, 78417), (315, 69704), (360, 60991), (420, 52278), (504, 43565), (630, 34852), (840, 26139), (1260, 17426), (2520, 8713)]