21853532

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 39580800

約数和(自身を除く): 17727268

約数列:

[1, 2, 4, 37, 74, 148, 149, 298, 596, 991, 1982, 3964, 5513, 11026, 22052, 36667, 73334, 146668, 147659, 295318, 590636, 5463383, 10926766, 21853532]

約数ペア:

[(1, 21853532), (2, 10926766), (4, 5463383), (37, 590636), (74, 295318), (148, 147659), (149, 146668), (298, 73334), (596, 36667), (991, 22052), (1982, 11026), (3964, 5513)]