21106896

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 57585600

約数和(自身を除く): 36478704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 59, 87, 116, 118, 174, 177, 232, 236, 257, 348, 354, 464, 472, 514, 696, 708, 771, 944, 1028, 1392, 1416, 1542, 1711, 2056, 2832, 3084, 3422, 4112, 5133, 6168, 6844, 7453, 10266, 12336, 13688, 14906, 15163, 20532, 22359, 27376, 29812, 30326, 41064, 44718, 45489, 59624, 60652, 82128, 89436, 90978, 119248, 121304, 178872, 181956, 242608, 357744, 363912, 439727, 727824, 879454, 1319181, 1758908, 2638362, 3517816, 5276724, 7035632, 10553448, 21106896]

約数ペア:

[(1, 21106896), (2, 10553448), (3, 7035632), (4, 5276724), (6, 3517816), (8, 2638362), (12, 1758908), (16, 1319181), (24, 879454), (29, 727824), (48, 439727), (58, 363912), (59, 357744), (87, 242608), (116, 181956), (118, 178872), (174, 121304), (177, 119248), (232, 90978), (236, 89436), (257, 82128), (348, 60652), (354, 59624), (464, 45489), (472, 44718), (514, 41064), (696, 30326), (708, 29812), (771, 27376), (944, 22359), (1028, 20532), (1392, 15163), (1416, 14906), (1542, 13688), (1711, 12336), (2056, 10266), (2832, 7453), (3084, 6844), (3422, 6168), (4112, 5133)]