21466325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 28745928

約数和(自身を除く): 7279603

約数列:

[1, 5, 17, 25, 53, 85, 265, 425, 901, 953, 1325, 4505, 4765, 16201, 22525, 23825, 50509, 81005, 252545, 405025, 858653, 1262725, 4293265, 21466325]

約数ペア:

[(1, 21466325), (5, 4293265), (17, 1262725), (25, 858653), (53, 405025), (85, 252545), (265, 81005), (425, 50509), (901, 23825), (953, 22525), (1325, 16201), (4505, 4765)]