21569431905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{3967}}^1$

素因数の和:4447

約数の個数: 96

約数和(自身を含む): 43885191168

約数和(自身を除く): 22315759263

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 421, 615, 861, 1263, 1435, 1845, 2105, 2583, 2947, 3789, 3967, 4305, 6315, 8841, 11901, 12915, 14735, 17261, 18945, 19835, 26523, 27769, 35703, 44205, 51783, 59505, 83307, 86305, 120827, 132615, 138845, 155349, 162647, 178515, 249921, 258915, 362481, 416535, 487941, 604135, 776745, 813235, 1087443, 1138529, 1249605, 1463823, 1670107, 1812405, 2439705, 3415587, 5010321, 5437215, 5692645, 7319115, 8350535, 10246761, 11690749, 15030963, 17077935, 25051605, 35072247, 51233805, 58453745, 68474387, 75154815, 105216741, 175361235, 205423161, 342371935, 479320709, 526083705, 616269483, 1027115805, 1437962127, 2396603545, 3081347415, 4313886381, 7189810635, 21569431905]

約数ペア:

[(1, 21569431905), (3, 7189810635), (5, 4313886381), (7, 3081347415), (9, 2396603545), (15, 1437962127), (21, 1027115805), (35, 616269483), (41, 526083705), (45, 479320709), (63, 342371935), (105, 205423161), (123, 175361235), (205, 105216741), (287, 75154815), (315, 68474387), (369, 58453745), (421, 51233805), (615, 35072247), (861, 25051605), (1263, 17077935), (1435, 15030963), (1845, 11690749), (2105, 10246761), (2583, 8350535), (2947, 7319115), (3789, 5692645), (3967, 5437215), (4305, 5010321), (6315, 3415587), (8841, 2439705), (11901, 1812405), (12915, 1670107), (14735, 1463823), (17261, 1249605), (18945, 1138529), (19835, 1087443), (26523, 813235), (27769, 776745), (35703, 604135), (44205, 487941), (51783, 416535), (59505, 362481), (83307, 258915), (86305, 249921), (120827, 178515), (132615, 162647), (138845, 155349)]