21469860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:507

約数の個数: 120

約数和(自身を含む): 69826680

約数和(自身を除く): 48356820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 457, 522, 540, 580, 783, 810, 870, 914, 1044, 1305, 1371, 1566, 1620, 1740, 1828, 2285, 2349, 2610, 2742, 3132, 3915, 4113, 4570, 4698, 5220, 5484, 6855, 7830, 8226, 9140, 9396, 11745, 12339, 13253, 13710, 15660, 16452, 20565, 23490, 24678, 26506, 27420, 37017, 39759, 41130, 46980, 49356, 53012, 61695, 66265, 74034, 79518, 82260, 119277, 123390, 132530, 148068, 159036, 185085, 198795, 238554, 246780, 265060, 357831, 370170, 397590, 477108, 596385, 715662, 740340, 795180, 1073493, 1192770, 1431324, 1789155, 2146986, 2385540, 3578310, 4293972, 5367465, 7156620, 10734930, 21469860]

約数ペア:

[(1, 21469860), (2, 10734930), (3, 7156620), (4, 5367465), (5, 4293972), (6, 3578310), (9, 2385540), (10, 2146986), (12, 1789155), (15, 1431324), (18, 1192770), (20, 1073493), (27, 795180), (29, 740340), (30, 715662), (36, 596385), (45, 477108), (54, 397590), (58, 370170), (60, 357831), (81, 265060), (87, 246780), (90, 238554), (108, 198795), (116, 185085), (135, 159036), (145, 148068), (162, 132530), (174, 123390), (180, 119277), (261, 82260), (270, 79518), (290, 74034), (324, 66265), (348, 61695), (405, 53012), (435, 49356), (457, 46980), (522, 41130), (540, 39759), (580, 37017), (783, 27420), (810, 26506), (870, 24678), (914, 23490), (1044, 20565), (1305, 16452), (1371, 15660), (1566, 13710), (1620, 13253), (1740, 12339), (1828, 11745), (2285, 9396), (2349, 9140), (2610, 8226), (2742, 7830), (3132, 6855), (3915, 5484), (4113, 5220), (4570, 4698)]