21875940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2383}}^1$

素因数の和:2418

約数の個数: 96

約数和(自身を含む): 72092160

約数和(自身を除く): 50216220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 2383, 3060, 4590, 4766, 7149, 9180, 9532, 11915, 14298, 21447, 23830, 28596, 35745, 40511, 42894, 47660, 64341, 71490, 81022, 85788, 107235, 121533, 128682, 142980, 162044, 202555, 214470, 243066, 257364, 321705, 364599, 405110, 428940, 486132, 607665, 643410, 729198, 810220, 1093797, 1215330, 1286820, 1458396, 1822995, 2187594, 2430660, 3645990, 4375188, 5468985, 7291980, 10937970, 21875940]

約数ペア:

[(1, 21875940), (2, 10937970), (3, 7291980), (4, 5468985), (5, 4375188), (6, 3645990), (9, 2430660), (10, 2187594), (12, 1822995), (15, 1458396), (17, 1286820), (18, 1215330), (20, 1093797), (27, 810220), (30, 729198), (34, 643410), (36, 607665), (45, 486132), (51, 428940), (54, 405110), (60, 364599), (68, 321705), (85, 257364), (90, 243066), (102, 214470), (108, 202555), (135, 162044), (153, 142980), (170, 128682), (180, 121533), (204, 107235), (255, 85788), (270, 81022), (306, 71490), (340, 64341), (459, 47660), (510, 42894), (540, 40511), (612, 35745), (765, 28596), (918, 23830), (1020, 21447), (1530, 14298), (1836, 11915), (2295, 9532), (2383, 9180), (3060, 7149), (4590, 4766)]