21230789056

素因数分解:

$2^6\times {\mathrm{509}}^1\times {\mathrm{651731}}^1$

素因数の和:652252

約数の個数: 28

約数和(自身を含む): 42212681640

約数和(自身を除く): 20981892584

約数列:

[1, 2, 4, 8, 16, 32, 64, 509, 1018, 2036, 4072, 8144, 16288, 32576, 651731, 1303462, 2606924, 5213848, 10427696, 20855392, 41710784, 331731079, 663462158, 1326924316, 2653848632, 5307697264, 10615394528, 21230789056]

約数ペア:

[(1, 21230789056), (2, 10615394528), (4, 5307697264), (8, 2653848632), (16, 1326924316), (32, 663462158), (64, 331731079), (509, 41710784), (1018, 20855392), (2036, 10427696), (4072, 5213848), (8144, 2606924), (16288, 1303462), (32576, 651731)]