21224385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 46545408

約数和(自身を除く): 25321023

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 71, 73, 91, 105, 117, 195, 213, 219, 273, 315, 355, 365, 455, 497, 511, 585, 639, 657, 819, 923, 949, 1065, 1095, 1365, 1491, 1533, 2485, 2555, 2769, 2847, 3195, 3285, 4095, 4473, 4599, 4615, 4745, 5183, 6461, 6643, 7455, 7665, 8307, 8541, 13845, 14235, 15549, 19383, 19929, 22365, 22995, 25915, 32305, 33215, 36281, 41535, 42705, 46647, 58149, 59787, 67379, 77745, 96915, 99645, 108843, 181405, 202137, 233235, 290745, 298935, 326529, 336895, 471653, 544215, 606411, 1010685, 1414959, 1632645, 2358265, 3032055, 4244877, 7074795, 21224385]

約数ペア:

[(1, 21224385), (3, 7074795), (5, 4244877), (7, 3032055), (9, 2358265), (13, 1632645), (15, 1414959), (21, 1010685), (35, 606411), (39, 544215), (45, 471653), (63, 336895), (65, 326529), (71, 298935), (73, 290745), (91, 233235), (105, 202137), (117, 181405), (195, 108843), (213, 99645), (219, 96915), (273, 77745), (315, 67379), (355, 59787), (365, 58149), (455, 46647), (497, 42705), (511, 41535), (585, 36281), (639, 33215), (657, 32305), (819, 25915), (923, 22995), (949, 22365), (1065, 19929), (1095, 19383), (1365, 15549), (1491, 14235), (1533, 13845), (2485, 8541), (2555, 8307), (2769, 7665), (2847, 7455), (3195, 6643), (3285, 6461), (4095, 5183), (4473, 4745), (4599, 4615)]