21435120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4253}}^1$

素因数の和:4279

約数の個数: 120

約数和(自身を含む): 82289376

約数和(自身を除く): 60854256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 4253, 5040, 8506, 12759, 17012, 21265, 25518, 29771, 34024, 38277, 42530, 51036, 59542, 63795, 68048, 76554, 85060, 89313, 102072, 119084, 127590, 148855, 153108, 170120, 178626, 191385, 204144, 238168, 255180, 267939, 297710, 306216, 340240, 357252, 382770, 446565, 476336, 510360, 535878, 595420, 612432, 714504, 765540, 893130, 1020720, 1071756, 1190840, 1339695, 1429008, 1531080, 1786260, 2143512, 2381680, 2679390, 3062160, 3572520, 4287024, 5358780, 7145040, 10717560, 21435120]

約数ペア:

[(1, 21435120), (2, 10717560), (3, 7145040), (4, 5358780), (5, 4287024), (6, 3572520), (7, 3062160), (8, 2679390), (9, 2381680), (10, 2143512), (12, 1786260), (14, 1531080), (15, 1429008), (16, 1339695), (18, 1190840), (20, 1071756), (21, 1020720), (24, 893130), (28, 765540), (30, 714504), (35, 612432), (36, 595420), (40, 535878), (42, 510360), (45, 476336), (48, 446565), (56, 382770), (60, 357252), (63, 340240), (70, 306216), (72, 297710), (80, 267939), (84, 255180), (90, 238168), (105, 204144), (112, 191385), (120, 178626), (126, 170120), (140, 153108), (144, 148855), (168, 127590), (180, 119084), (210, 102072), (240, 89313), (252, 85060), (280, 76554), (315, 68048), (336, 63795), (360, 59542), (420, 51036), (504, 42530), (560, 38277), (630, 34024), (720, 29771), (840, 25518), (1008, 21265), (1260, 17012), (1680, 12759), (2520, 8506), (4253, 5040)]