21558041235

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1931}}^1$

素因数の和:2177

約数の個数: 96

約数和(自身を含む): 39581208576

約数和(自身を除く): 18023167341

約数列:

[1, 3, 5, 9, 15, 31, 45, 53, 93, 151, 155, 159, 265, 279, 453, 465, 477, 755, 795, 1359, 1395, 1643, 1931, 2265, 2385, 4681, 4929, 5793, 6795, 8003, 8215, 9655, 14043, 14787, 17379, 23405, 24009, 24645, 28965, 40015, 42129, 59861, 70215, 72027, 73935, 86895, 102343, 120045, 179583, 210645, 248093, 291581, 299305, 307029, 360135, 511715, 538749, 744279, 874743, 897915, 921087, 1240465, 1457905, 1535145, 2232837, 2624229, 2693745, 3172633, 3721395, 4373715, 4605435, 9039011, 9517899, 11164185, 13121145, 15453793, 15863165, 27117033, 28553697, 45195055, 46361379, 47589495, 77268965, 81351099, 135585165, 139084137, 142768485, 231806895, 406755495, 479067583, 695420685, 1437202749, 2395337915, 4311608247, 7186013745, 21558041235]

約数ペア:

[(1, 21558041235), (3, 7186013745), (5, 4311608247), (9, 2395337915), (15, 1437202749), (31, 695420685), (45, 479067583), (53, 406755495), (93, 231806895), (151, 142768485), (155, 139084137), (159, 135585165), (265, 81351099), (279, 77268965), (453, 47589495), (465, 46361379), (477, 45195055), (755, 28553697), (795, 27117033), (1359, 15863165), (1395, 15453793), (1643, 13121145), (1931, 11164185), (2265, 9517899), (2385, 9039011), (4681, 4605435), (4929, 4373715), (5793, 3721395), (6795, 3172633), (8003, 2693745), (8215, 2624229), (9655, 2232837), (14043, 1535145), (14787, 1457905), (17379, 1240465), (23405, 921087), (24009, 897915), (24645, 874743), (28965, 744279), (40015, 538749), (42129, 511715), (59861, 360135), (70215, 307029), (72027, 299305), (73935, 291581), (86895, 248093), (102343, 210645), (120045, 179583)]