21827936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 46738944

約数和(自身を除く): 24911008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 137, 208, 274, 383, 416, 548, 766, 1096, 1532, 1781, 2192, 3064, 3562, 4384, 4979, 6128, 7124, 9958, 12256, 14248, 19916, 28496, 39832, 52471, 56992, 79664, 104942, 159328, 209884, 419768, 682123, 839536, 1364246, 1679072, 2728492, 5456984, 10913968, 21827936]

約数ペア:

[(1, 21827936), (2, 10913968), (4, 5456984), (8, 2728492), (13, 1679072), (16, 1364246), (26, 839536), (32, 682123), (52, 419768), (104, 209884), (137, 159328), (208, 104942), (274, 79664), (383, 56992), (416, 52471), (548, 39832), (766, 28496), (1096, 19916), (1532, 14248), (1781, 12256), (2192, 9958), (3064, 7124), (3562, 6128), (4384, 4979)]