21167266185

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{51913}}^1$

素因数の和:51995

約数の個数: 96

約数和(自身を含む): 42857706528

約数和(自身を除く): 21690440343

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 41, 45, 51, 65, 85, 117, 123, 153, 195, 205, 221, 255, 369, 533, 585, 615, 663, 697, 765, 1105, 1599, 1845, 1989, 2091, 2665, 3315, 3485, 4797, 6273, 7995, 9061, 9945, 10455, 23985, 27183, 31365, 45305, 51913, 81549, 135915, 155739, 259565, 407745, 467217, 674869, 778695, 882521, 2024607, 2128433, 2336085, 2647563, 3374345, 4412605, 6073821, 6385299, 7942689, 10123035, 10642165, 11472773, 13237815, 19155897, 27669629, 30369105, 31926495, 34418319, 36183361, 39713445, 57363865, 83008887, 95779485, 103254957, 108550083, 138348145, 172091595, 180916805, 249026661, 325650249, 415044435, 470383693, 516274785, 542750415, 1245133305, 1411151079, 1628251245, 2351918465, 4233453237, 7055755395, 21167266185]

約数ペア:

[(1, 21167266185), (3, 7055755395), (5, 4233453237), (9, 2351918465), (13, 1628251245), (15, 1411151079), (17, 1245133305), (39, 542750415), (41, 516274785), (45, 470383693), (51, 415044435), (65, 325650249), (85, 249026661), (117, 180916805), (123, 172091595), (153, 138348145), (195, 108550083), (205, 103254957), (221, 95779485), (255, 83008887), (369, 57363865), (533, 39713445), (585, 36183361), (615, 34418319), (663, 31926495), (697, 30369105), (765, 27669629), (1105, 19155897), (1599, 13237815), (1845, 11472773), (1989, 10642165), (2091, 10123035), (2665, 7942689), (3315, 6385299), (3485, 6073821), (4797, 4412605), (6273, 3374345), (7995, 2647563), (9061, 2336085), (9945, 2128433), (10455, 2024607), (23985, 882521), (27183, 778695), (31365, 674869), (45305, 467217), (51913, 407745), (81549, 259565), (135915, 155739)]