21882315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 128

約数和(自身を含む): 48771072

約数和(自身を除く): 26888757

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 23, 35, 39, 41, 51, 65, 69, 85, 91, 105, 115, 119, 123, 161, 195, 205, 221, 255, 273, 287, 299, 345, 357, 391, 455, 483, 533, 595, 615, 663, 697, 805, 861, 897, 943, 1105, 1173, 1365, 1435, 1495, 1547, 1599, 1785, 1955, 2091, 2093, 2415, 2665, 2737, 2829, 3315, 3485, 3731, 4305, 4485, 4641, 4715, 4879, 5083, 5865, 6279, 6601, 7735, 7995, 8211, 9061, 10455, 10465, 11193, 12259, 13685, 14145, 14637, 15249, 16031, 18655, 19803, 23205, 24395, 25415, 27183, 31395, 33005, 35581, 36777, 41055, 45305, 48093, 55965, 61295, 63427, 73185, 76245, 80155, 85813, 99015, 106743, 112217, 135915, 177905, 183885, 190281, 208403, 240465, 257439, 317135, 336651, 429065, 533715, 561085, 625209, 951405, 1042015, 1287195, 1458821, 1683255, 3126045, 4376463, 7294105, 21882315]

約数ペア:

[(1, 21882315), (3, 7294105), (5, 4376463), (7, 3126045), (13, 1683255), (15, 1458821), (17, 1287195), (21, 1042015), (23, 951405), (35, 625209), (39, 561085), (41, 533715), (51, 429065), (65, 336651), (69, 317135), (85, 257439), (91, 240465), (105, 208403), (115, 190281), (119, 183885), (123, 177905), (161, 135915), (195, 112217), (205, 106743), (221, 99015), (255, 85813), (273, 80155), (287, 76245), (299, 73185), (345, 63427), (357, 61295), (391, 55965), (455, 48093), (483, 45305), (533, 41055), (595, 36777), (615, 35581), (663, 33005), (697, 31395), (805, 27183), (861, 25415), (897, 24395), (943, 23205), (1105, 19803), (1173, 18655), (1365, 16031), (1435, 15249), (1495, 14637), (1547, 14145), (1599, 13685), (1785, 12259), (1955, 11193), (2091, 10465), (2093, 10455), (2415, 9061), (2665, 8211), (2737, 7995), (2829, 7735), (3315, 6601), (3485, 6279), (3731, 5865), (4305, 5083), (4485, 4879), (4641, 4715)]