21634965

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 44478720

約数和(自身を除く): 22843755

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 135, 153, 165, 187, 255, 297, 459, 495, 561, 765, 857, 935, 1485, 1683, 2295, 2571, 2805, 4285, 5049, 7713, 8415, 9427, 12855, 14569, 23139, 25245, 28281, 38565, 43707, 47135, 72845, 84843, 115695, 131121, 141405, 160259, 218535, 254529, 393363, 424215, 480777, 655605, 801295, 1272645, 1442331, 1966815, 2403885, 4326993, 7211655, 21634965]

約数ペア:

[(1, 21634965), (3, 7211655), (5, 4326993), (9, 2403885), (11, 1966815), (15, 1442331), (17, 1272645), (27, 801295), (33, 655605), (45, 480777), (51, 424215), (55, 393363), (85, 254529), (99, 218535), (135, 160259), (153, 141405), (165, 131121), (187, 115695), (255, 84843), (297, 72845), (459, 47135), (495, 43707), (561, 38565), (765, 28281), (857, 25245), (935, 23139), (1485, 14569), (1683, 12855), (2295, 9427), (2571, 8415), (2805, 7713), (4285, 5049)]