21462582688

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{1031}}^1\times {\mathrm{2251}}^1$

素因数の和:3326

約数の個数: 72

約数和(自身を含む): 44949721824

約数和(自身を除く): 23487139136

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1031, 1156, 2062, 2251, 2312, 4124, 4502, 4624, 8248, 9004, 9248, 16496, 17527, 18008, 32992, 35054, 36016, 38267, 70108, 72032, 76534, 140216, 153068, 280432, 297959, 306136, 560864, 595918, 612272, 650539, 1191836, 1224544, 1301078, 2320781, 2383672, 2602156, 4641562, 4767344, 5204312, 9283124, 9534688, 10408624, 18566248, 20817248, 37132496, 39453277, 74264992, 78906554, 157813108, 315626216, 631252432, 670705709, 1262504864, 1341411418, 2682822836, 5365645672, 10731291344, 21462582688]

約数ペア:

[(1, 21462582688), (2, 10731291344), (4, 5365645672), (8, 2682822836), (16, 1341411418), (17, 1262504864), (32, 670705709), (34, 631252432), (68, 315626216), (136, 157813108), (272, 78906554), (289, 74264992), (544, 39453277), (578, 37132496), (1031, 20817248), (1156, 18566248), (2062, 10408624), (2251, 9534688), (2312, 9283124), (4124, 5204312), (4502, 4767344), (4624, 4641562), (8248, 2602156), (9004, 2383672), (9248, 2320781), (16496, 1301078), (17527, 1224544), (18008, 1191836), (32992, 650539), (35054, 612272), (36016, 595918), (38267, 560864), (70108, 306136), (72032, 297959), (76534, 280432), (140216, 153068)]