21836688416

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{40357}}^1$

素因数の和:40861

約数の個数: 48

約数和(自身を含む): 44250609816

約数和(自身を除く): 22413921400

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 457, 592, 914, 1184, 1828, 3656, 7312, 14624, 16909, 33818, 40357, 67636, 80714, 135272, 161428, 270544, 322856, 541088, 645712, 1291424, 1493209, 2986418, 5972836, 11945672, 18443149, 23891344, 36886298, 47782688, 73772596, 147545192, 295090384, 590180768, 682396513, 1364793026, 2729586052, 5459172104, 10918344208, 21836688416]

約数ペア:

[(1, 21836688416), (2, 10918344208), (4, 5459172104), (8, 2729586052), (16, 1364793026), (32, 682396513), (37, 590180768), (74, 295090384), (148, 147545192), (296, 73772596), (457, 47782688), (592, 36886298), (914, 23891344), (1184, 18443149), (1828, 11945672), (3656, 5972836), (7312, 2986418), (14624, 1493209), (16909, 1291424), (33818, 645712), (40357, 541088), (67636, 322856), (80714, 270544), (135272, 161428)]