21207384484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{862229}}^1$

素因数の和:862300

約数の個数: 48

約数和(自身を含む): 44615229120

約数和(自身を除く): 23407844636

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 946, 1118, 1892, 2236, 6149, 12298, 24596, 862229, 1724458, 3448916, 9484519, 11208977, 18969038, 22417954, 37075847, 37938076, 44835908, 74151694, 123298747, 148303388, 246597494, 407834317, 481986011, 493194988, 815668634, 963972022, 1631337268, 1927944044, 5301846121, 10603692242, 21207384484]

約数ペア:

[(1, 21207384484), (2, 10603692242), (4, 5301846121), (11, 1927944044), (13, 1631337268), (22, 963972022), (26, 815668634), (43, 493194988), (44, 481986011), (52, 407834317), (86, 246597494), (143, 148303388), (172, 123298747), (286, 74151694), (473, 44835908), (559, 37938076), (572, 37075847), (946, 22417954), (1118, 18969038), (1892, 11208977), (2236, 9484519), (6149, 3448916), (12298, 1724458), (24596, 862229)]