21878748

素因数分解:

$2^2\times 3^7\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 59787840

約数和(自身を除く): 37909092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 61, 81, 82, 108, 122, 123, 162, 164, 183, 243, 244, 246, 324, 366, 369, 486, 492, 549, 729, 732, 738, 972, 1098, 1107, 1458, 1476, 1647, 2187, 2196, 2214, 2501, 2916, 3294, 3321, 4374, 4428, 4941, 5002, 6588, 6642, 7503, 8748, 9882, 9963, 10004, 13284, 14823, 15006, 19764, 19926, 22509, 29646, 29889, 30012, 39852, 44469, 45018, 59292, 59778, 67527, 88938, 89667, 90036, 119556, 133407, 135054, 177876, 179334, 202581, 266814, 270108, 358668, 405162, 533628, 607743, 810324, 1215486, 1823229, 2430972, 3646458, 5469687, 7292916, 10939374, 21878748]

約数ペア:

[(1, 21878748), (2, 10939374), (3, 7292916), (4, 5469687), (6, 3646458), (9, 2430972), (12, 1823229), (18, 1215486), (27, 810324), (36, 607743), (41, 533628), (54, 405162), (61, 358668), (81, 270108), (82, 266814), (108, 202581), (122, 179334), (123, 177876), (162, 135054), (164, 133407), (183, 119556), (243, 90036), (244, 89667), (246, 88938), (324, 67527), (366, 59778), (369, 59292), (486, 45018), (492, 44469), (549, 39852), (729, 30012), (732, 29889), (738, 29646), (972, 22509), (1098, 19926), (1107, 19764), (1458, 15006), (1476, 14823), (1647, 13284), (2187, 10004), (2196, 9963), (2214, 9882), (2501, 8748), (2916, 7503), (3294, 6642), (3321, 6588), (4374, 5002), (4428, 4941)]