21014272

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 45327744

約数和(自身を除く): 24313472

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 64, 83, 86, 92, 128, 166, 172, 184, 256, 332, 344, 368, 664, 688, 736, 989, 1328, 1376, 1472, 1909, 1978, 2656, 2752, 2944, 3569, 3818, 3956, 5312, 5504, 5888, 7138, 7636, 7912, 10624, 11008, 14276, 15272, 15824, 21248, 28552, 30544, 31648, 57104, 61088, 63296, 82087, 114208, 122176, 126592, 164174, 228416, 244352, 253184, 328348, 456832, 488704, 656696, 913664, 1313392, 2626784, 5253568, 10507136, 21014272]

約数ペア:

[(1, 21014272), (2, 10507136), (4, 5253568), (8, 2626784), (16, 1313392), (23, 913664), (32, 656696), (43, 488704), (46, 456832), (64, 328348), (83, 253184), (86, 244352), (92, 228416), (128, 164174), (166, 126592), (172, 122176), (184, 114208), (256, 82087), (332, 63296), (344, 61088), (368, 57104), (664, 31648), (688, 30544), (736, 28552), (989, 21248), (1328, 15824), (1376, 15272), (1472, 14276), (1909, 11008), (1978, 10624), (2656, 7912), (2752, 7636), (2944, 7138), (3569, 5888), (3818, 5504), (3956, 5312)]