21141604

素因数分解:

$2^2\times {\mathrm{11}}^4\times {\mathrm{19}}^2$

素因数の和:86

約数の個数: 45

約数和(自身を含む): 42952035

約数和(自身を除く): 21810431

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 361, 418, 484, 722, 836, 1331, 1444, 2299, 2662, 3971, 4598, 5324, 7942, 9196, 14641, 15884, 25289, 29282, 43681, 50578, 58564, 87362, 101156, 174724, 278179, 480491, 556358, 960982, 1112716, 1921964, 5285401, 10570802, 21141604]

約数ペア:

[(1, 21141604), (2, 10570802), (4, 5285401), (11, 1921964), (19, 1112716), (22, 960982), (38, 556358), (44, 480491), (76, 278179), (121, 174724), (209, 101156), (242, 87362), (361, 58564), (418, 50578), (484, 43681), (722, 29282), (836, 25289), (1331, 15884), (1444, 14641), (2299, 9196), (2662, 7942), (3971, 5324)]