21132032

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 45671136

約数和(自身を除く): 24539104

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 64, 74, 92, 97, 128, 148, 184, 194, 256, 296, 368, 388, 592, 736, 776, 851, 1184, 1472, 1552, 1702, 2231, 2368, 2944, 3104, 3404, 3589, 4462, 4736, 5888, 6208, 6808, 7178, 8924, 9472, 12416, 13616, 14356, 17848, 24832, 27232, 28712, 35696, 54464, 57424, 71392, 82547, 108928, 114848, 142784, 165094, 217856, 229696, 285568, 330188, 459392, 571136, 660376, 918784, 1320752, 2641504, 5283008, 10566016, 21132032]

約数ペア:

[(1, 21132032), (2, 10566016), (4, 5283008), (8, 2641504), (16, 1320752), (23, 918784), (32, 660376), (37, 571136), (46, 459392), (64, 330188), (74, 285568), (92, 229696), (97, 217856), (128, 165094), (148, 142784), (184, 114848), (194, 108928), (256, 82547), (296, 71392), (368, 57424), (388, 54464), (592, 35696), (736, 28712), (776, 27232), (851, 24832), (1184, 17848), (1472, 14356), (1552, 13616), (1702, 12416), (2231, 9472), (2368, 8924), (2944, 7178), (3104, 6808), (3404, 6208), (3589, 5888), (4462, 4736)]