21152700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1276

約数の個数: 108

約数和(自身を含む): 69847960

約数和(自身を除く): 48695260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1237, 1425, 1710, 1900, 2474, 2850, 3420, 3711, 4275, 4948, 5700, 6185, 7422, 8550, 11133, 12370, 14844, 17100, 18555, 22266, 23503, 24740, 30925, 37110, 44532, 47006, 55665, 61850, 70509, 74220, 92775, 94012, 111330, 117515, 123700, 141018, 185550, 211527, 222660, 235030, 278325, 282036, 352545, 371100, 423054, 470060, 556650, 587575, 705090, 846108, 1057635, 1113300, 1175150, 1410180, 1762725, 2115270, 2350300, 3525450, 4230540, 5288175, 7050900, 10576350, 21152700]

約数ペア:

[(1, 21152700), (2, 10576350), (3, 7050900), (4, 5288175), (5, 4230540), (6, 3525450), (9, 2350300), (10, 2115270), (12, 1762725), (15, 1410180), (18, 1175150), (19, 1113300), (20, 1057635), (25, 846108), (30, 705090), (36, 587575), (38, 556650), (45, 470060), (50, 423054), (57, 371100), (60, 352545), (75, 282036), (76, 278325), (90, 235030), (95, 222660), (100, 211527), (114, 185550), (150, 141018), (171, 123700), (180, 117515), (190, 111330), (225, 94012), (228, 92775), (285, 74220), (300, 70509), (342, 61850), (380, 55665), (450, 47006), (475, 44532), (570, 37110), (684, 30925), (855, 24740), (900, 23503), (950, 22266), (1140, 18555), (1237, 17100), (1425, 14844), (1710, 12370), (1900, 11133), (2474, 8550), (2850, 7422), (3420, 6185), (3711, 5700), (4275, 4948)]