21801332

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 46099200

約数和(自身を除く): 24297868

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 97, 161, 194, 322, 349, 388, 644, 679, 698, 1358, 1396, 2231, 2443, 2716, 4462, 4886, 8027, 8924, 9772, 15617, 16054, 31234, 32108, 33853, 56189, 62468, 67706, 112378, 135412, 224756, 236971, 473942, 778619, 947884, 1557238, 3114476, 5450333, 10900666, 21801332]

約数ペア:

[(1, 21801332), (2, 10900666), (4, 5450333), (7, 3114476), (14, 1557238), (23, 947884), (28, 778619), (46, 473942), (92, 236971), (97, 224756), (161, 135412), (194, 112378), (322, 67706), (349, 62468), (388, 56189), (644, 33853), (679, 32108), (698, 31234), (1358, 16054), (1396, 15617), (2231, 9772), (2443, 8924), (2716, 8027), (4462, 4886)]