21638280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10607}}^1$

素因数の和:10638

約数の個数: 64

約数和(自身を含む): 68739840

約数和(自身を除く): 47101560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10607, 21214, 31821, 42428, 53035, 63642, 84856, 106070, 127284, 159105, 180319, 212140, 254568, 318210, 360638, 424280, 540957, 636420, 721276, 901595, 1081914, 1272840, 1442552, 1803190, 2163828, 2704785, 3606380, 4327656, 5409570, 7212760, 10819140, 21638280]

約数ペア:

[(1, 21638280), (2, 10819140), (3, 7212760), (4, 5409570), (5, 4327656), (6, 3606380), (8, 2704785), (10, 2163828), (12, 1803190), (15, 1442552), (17, 1272840), (20, 1081914), (24, 901595), (30, 721276), (34, 636420), (40, 540957), (51, 424280), (60, 360638), (68, 318210), (85, 254568), (102, 212140), (120, 180319), (136, 159105), (170, 127284), (204, 106070), (255, 84856), (340, 63642), (408, 53035), (510, 42428), (680, 31821), (1020, 21214), (2040, 10607)]