21652384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 50125824

約数和(自身を除く): 28473440

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 46, 52, 62, 73, 92, 104, 124, 146, 184, 208, 248, 292, 299, 368, 403, 416, 496, 584, 598, 713, 736, 806, 949, 992, 1168, 1196, 1426, 1612, 1679, 1898, 2263, 2336, 2392, 2852, 3224, 3358, 3796, 4526, 4784, 5704, 6448, 6716, 7592, 9052, 9269, 9568, 11408, 12896, 13432, 15184, 18104, 18538, 21827, 22816, 26864, 29419, 30368, 36208, 37076, 43654, 52049, 53728, 58838, 72416, 74152, 87308, 104098, 117676, 148304, 174616, 208196, 235352, 296608, 349232, 416392, 470704, 676637, 698464, 832784, 941408, 1353274, 1665568, 2706548, 5413096, 10826192, 21652384]

約数ペア:

[(1, 21652384), (2, 10826192), (4, 5413096), (8, 2706548), (13, 1665568), (16, 1353274), (23, 941408), (26, 832784), (31, 698464), (32, 676637), (46, 470704), (52, 416392), (62, 349232), (73, 296608), (92, 235352), (104, 208196), (124, 174616), (146, 148304), (184, 117676), (208, 104098), (248, 87308), (292, 74152), (299, 72416), (368, 58838), (403, 53728), (416, 52049), (496, 43654), (584, 37076), (598, 36208), (713, 30368), (736, 29419), (806, 26864), (949, 22816), (992, 21827), (1168, 18538), (1196, 18104), (1426, 15184), (1612, 13432), (1679, 12896), (1898, 11408), (2263, 9568), (2336, 9269), (2392, 9052), (2852, 7592), (3224, 6716), (3358, 6448), (3796, 5704), (4526, 4784)]