21514384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 27232496

約数列:

[1, 2, 4, 8, 16, 17, 19, 23, 34, 38, 46, 68, 76, 92, 136, 152, 181, 184, 272, 304, 323, 362, 368, 391, 437, 646, 724, 782, 874, 1292, 1448, 1564, 1748, 2584, 2896, 3077, 3128, 3439, 3496, 4163, 5168, 6154, 6256, 6878, 6992, 7429, 8326, 12308, 13756, 14858, 16652, 24616, 27512, 29716, 33304, 49232, 55024, 58463, 59432, 66608, 70771, 79097, 116926, 118864, 141542, 158194, 233852, 283084, 316388, 467704, 566168, 632776, 935408, 1132336, 1265552, 1344649, 2689298, 5378596, 10757192, 21514384]

約数ペア:

[(1, 21514384), (2, 10757192), (4, 5378596), (8, 2689298), (16, 1344649), (17, 1265552), (19, 1132336), (23, 935408), (34, 632776), (38, 566168), (46, 467704), (68, 316388), (76, 283084), (92, 233852), (136, 158194), (152, 141542), (181, 118864), (184, 116926), (272, 79097), (304, 70771), (323, 66608), (362, 59432), (368, 58463), (391, 55024), (437, 49232), (646, 33304), (724, 29716), (782, 27512), (874, 24616), (1292, 16652), (1448, 14858), (1564, 13756), (1748, 12308), (2584, 8326), (2896, 7429), (3077, 6992), (3128, 6878), (3439, 6256), (3496, 6154), (4163, 5168)]