21000470438

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{6073}}^1\times {\mathrm{19427}}^1$

素因数の和:25591

約数の個数: 16

約数和(自身を含む): 31861531440

約数和(自身を除く): 10861061002

約数列:

[1, 2, 89, 178, 6073, 12146, 19427, 38854, 540497, 1080994, 1729003, 3458006, 117980171, 235960342, 10500235219, 21000470438]

約数ペア:

[(1, 21000470438), (2, 10500235219), (89, 235960342), (178, 117980171), (6073, 3458006), (12146, 1729003), (19427, 1080994), (38854, 540497)]