21957804

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 64277136

約数和(自身を除く): 42319332

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 61, 66, 81, 99, 101, 108, 122, 132, 162, 183, 198, 202, 244, 297, 303, 324, 366, 396, 404, 549, 594, 606, 671, 732, 891, 909, 1098, 1111, 1188, 1212, 1342, 1647, 1782, 1818, 2013, 2196, 2222, 2684, 2727, 3294, 3333, 3564, 3636, 4026, 4444, 4941, 5454, 6039, 6161, 6588, 6666, 8052, 8181, 9882, 9999, 10908, 12078, 12322, 13332, 16362, 18117, 18483, 19764, 19998, 24156, 24644, 29997, 32724, 36234, 36966, 39996, 54351, 55449, 59994, 67771, 72468, 73932, 89991, 108702, 110898, 119988, 135542, 166347, 179982, 203313, 217404, 221796, 271084, 332694, 359964, 406626, 499041, 609939, 665388, 813252, 998082, 1219878, 1829817, 1996164, 2439756, 3659634, 5489451, 7319268, 10978902, 21957804]

約数ペア:

[(1, 21957804), (2, 10978902), (3, 7319268), (4, 5489451), (6, 3659634), (9, 2439756), (11, 1996164), (12, 1829817), (18, 1219878), (22, 998082), (27, 813252), (33, 665388), (36, 609939), (44, 499041), (54, 406626), (61, 359964), (66, 332694), (81, 271084), (99, 221796), (101, 217404), (108, 203313), (122, 179982), (132, 166347), (162, 135542), (183, 119988), (198, 110898), (202, 108702), (244, 89991), (297, 73932), (303, 72468), (324, 67771), (366, 59994), (396, 55449), (404, 54351), (549, 39996), (594, 36966), (606, 36234), (671, 32724), (732, 29997), (891, 24644), (909, 24156), (1098, 19998), (1111, 19764), (1188, 18483), (1212, 18117), (1342, 16362), (1647, 13332), (1782, 12322), (1818, 12078), (2013, 10908), (2196, 9999), (2222, 9882), (2684, 8181), (2727, 8052), (3294, 6666), (3333, 6588), (3564, 6161), (3636, 6039), (4026, 5454), (4444, 4941)]