21554436

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 36022524

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 67, 68, 76, 83, 102, 114, 134, 166, 201, 204, 228, 249, 268, 323, 332, 402, 498, 646, 804, 969, 996, 1139, 1273, 1292, 1411, 1577, 1938, 2278, 2546, 2822, 3154, 3417, 3819, 3876, 4233, 4556, 4731, 5092, 5561, 5644, 6308, 6834, 7638, 8466, 9462, 11122, 13668, 15276, 16683, 16932, 18924, 21641, 22244, 26809, 33366, 43282, 53618, 64923, 66732, 80427, 86564, 94537, 105659, 107236, 129846, 160854, 189074, 211318, 259692, 283611, 316977, 321708, 378148, 422636, 567222, 633954, 1134444, 1267908, 1796203, 3592406, 5388609, 7184812, 10777218, 21554436]

約数ペア:

[(1, 21554436), (2, 10777218), (3, 7184812), (4, 5388609), (6, 3592406), (12, 1796203), (17, 1267908), (19, 1134444), (34, 633954), (38, 567222), (51, 422636), (57, 378148), (67, 321708), (68, 316977), (76, 283611), (83, 259692), (102, 211318), (114, 189074), (134, 160854), (166, 129846), (201, 107236), (204, 105659), (228, 94537), (249, 86564), (268, 80427), (323, 66732), (332, 64923), (402, 53618), (498, 43282), (646, 33366), (804, 26809), (969, 22244), (996, 21641), (1139, 18924), (1273, 16932), (1292, 16683), (1411, 15276), (1577, 13668), (1938, 11122), (2278, 9462), (2546, 8466), (2822, 7638), (3154, 6834), (3417, 6308), (3819, 5644), (3876, 5561), (4233, 5092), (4556, 4731)]