21846512

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 22347088

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 197, 232, 239, 394, 464, 478, 788, 956, 1576, 1912, 3152, 3824, 5713, 6931, 11426, 13862, 22852, 27724, 45704, 47083, 55448, 91408, 94166, 110896, 188332, 376664, 753328, 1365407, 2730814, 5461628, 10923256, 21846512]

約数ペア:

[(1, 21846512), (2, 10923256), (4, 5461628), (8, 2730814), (16, 1365407), (29, 753328), (58, 376664), (116, 188332), (197, 110896), (232, 94166), (239, 91408), (394, 55448), (464, 47083), (478, 45704), (788, 27724), (956, 22852), (1576, 13862), (1912, 11426), (3152, 6931), (3824, 5713)]