21416616

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 66528000

約数和(自身を除く): 45111384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 29, 36, 39, 52, 54, 58, 72, 78, 87, 104, 108, 116, 117, 156, 174, 216, 232, 234, 261, 263, 312, 348, 351, 377, 468, 522, 526, 696, 702, 754, 783, 789, 936, 1044, 1052, 1131, 1404, 1508, 1566, 1578, 2088, 2104, 2262, 2367, 2808, 3016, 3132, 3156, 3393, 3419, 4524, 4734, 6264, 6312, 6786, 6838, 7101, 7627, 9048, 9468, 10179, 10257, 13572, 13676, 14202, 15254, 18936, 20358, 20514, 22881, 27144, 27352, 28404, 30508, 30771, 40716, 41028, 45762, 56808, 61016, 61542, 68643, 81432, 82056, 91524, 92313, 99151, 123084, 137286, 183048, 184626, 198302, 205929, 246168, 274572, 297453, 369252, 396604, 411858, 549144, 594906, 738504, 793208, 823716, 892359, 1189812, 1647432, 1784718, 2379624, 2677077, 3569436, 5354154, 7138872, 10708308, 21416616]

約数ペア:

[(1, 21416616), (2, 10708308), (3, 7138872), (4, 5354154), (6, 3569436), (8, 2677077), (9, 2379624), (12, 1784718), (13, 1647432), (18, 1189812), (24, 892359), (26, 823716), (27, 793208), (29, 738504), (36, 594906), (39, 549144), (52, 411858), (54, 396604), (58, 369252), (72, 297453), (78, 274572), (87, 246168), (104, 205929), (108, 198302), (116, 184626), (117, 183048), (156, 137286), (174, 123084), (216, 99151), (232, 92313), (234, 91524), (261, 82056), (263, 81432), (312, 68643), (348, 61542), (351, 61016), (377, 56808), (468, 45762), (522, 41028), (526, 40716), (696, 30771), (702, 30508), (754, 28404), (783, 27352), (789, 27144), (936, 22881), (1044, 20514), (1052, 20358), (1131, 18936), (1404, 15254), (1508, 14202), (1566, 13676), (1578, 13572), (2088, 10257), (2104, 10179), (2262, 9468), (2367, 9048), (2808, 7627), (3016, 7101), (3132, 6838), (3156, 6786), (3393, 6312), (3419, 6264), (4524, 4734)]