21214280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23059}}^1$

素因数の和:23093

約数の個数: 32

約数和(自身を含む): 49809600

約数和(自身を除く): 28595320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23059, 46118, 92236, 115295, 184472, 230590, 461180, 530357, 922360, 1060714, 2121428, 2651785, 4242856, 5303570, 10607140, 21214280]

約数ペア:

[(1, 21214280), (2, 10607140), (4, 5303570), (5, 4242856), (8, 2651785), (10, 2121428), (20, 1060714), (23, 922360), (40, 530357), (46, 461180), (92, 230590), (115, 184472), (184, 115295), (230, 92236), (460, 46118), (920, 23059)]