21787258924

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{349}}^1\times {\mathrm{2089}}^1$

素因数の和:2714

約数の個数: 48

約数和(自身を含む): 39653152000

約数和(自身を除く): 17865893076

約数列:

[1, 2, 4, 31, 62, 124, 241, 349, 482, 698, 964, 1396, 2089, 4178, 7471, 8356, 10819, 14942, 21638, 29884, 43276, 64759, 84109, 129518, 168218, 259036, 336436, 503449, 729061, 1006898, 1458122, 2013796, 2607379, 2916244, 5214758, 10429516, 15606919, 22600891, 31213838, 45201782, 62427676, 90403564, 175703701, 351407402, 702814804, 5446814731, 10893629462, 21787258924]

約数ペア:

[(1, 21787258924), (2, 10893629462), (4, 5446814731), (31, 702814804), (62, 351407402), (124, 175703701), (241, 90403564), (349, 62427676), (482, 45201782), (698, 31213838), (964, 22600891), (1396, 15606919), (2089, 10429516), (4178, 5214758), (7471, 2916244), (8356, 2607379), (10819, 2013796), (14942, 1458122), (21638, 1006898), (29884, 729061), (43276, 503449), (64759, 336436), (84109, 259036), (129518, 168218)]