21730911944

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:595

約数の個数: 128

約数和(自身を含む): 47953382400

約数和(自身を除く): 26222470456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 131, 139, 202, 211, 262, 278, 404, 422, 524, 556, 707, 808, 844, 917, 973, 1048, 1112, 1414, 1477, 1688, 1834, 1946, 2828, 2954, 3668, 3892, 5656, 5908, 7336, 7784, 11816, 13231, 14039, 18209, 21311, 26462, 27641, 28078, 29329, 36418, 42622, 52924, 55282, 56156, 58658, 72836, 85244, 92617, 98273, 105848, 110564, 112312, 117316, 127463, 145672, 149177, 170488, 185234, 193487, 196546, 205303, 221128, 234632, 254926, 298354, 370468, 386974, 393092, 410606, 509852, 596708, 740936, 773948, 786184, 821212, 1019704, 1193416, 1547896, 1642424, 1839109, 2791741, 2962229, 3678218, 3842099, 5583482, 5924458, 7356436, 7684198, 11166964, 11848916, 12873763, 14712872, 15368396, 19542187, 20735603, 22333928, 23697832, 25747526, 26894693, 30736792, 39084374, 41471206, 51495052, 53789386, 78168748, 82942412, 102990104, 107578772, 156337496, 165884824, 215157544, 388051999, 776103998, 1552207996, 2716363993, 3104415992, 5432727986, 10865455972, 21730911944]

約数ペア:

[(1, 21730911944), (2, 10865455972), (4, 5432727986), (7, 3104415992), (8, 2716363993), (14, 1552207996), (28, 776103998), (56, 388051999), (101, 215157544), (131, 165884824), (139, 156337496), (202, 107578772), (211, 102990104), (262, 82942412), (278, 78168748), (404, 53789386), (422, 51495052), (524, 41471206), (556, 39084374), (707, 30736792), (808, 26894693), (844, 25747526), (917, 23697832), (973, 22333928), (1048, 20735603), (1112, 19542187), (1414, 15368396), (1477, 14712872), (1688, 12873763), (1834, 11848916), (1946, 11166964), (2828, 7684198), (2954, 7356436), (3668, 5924458), (3892, 5583482), (5656, 3842099), (5908, 3678218), (7336, 2962229), (7784, 2791741), (11816, 1839109), (13231, 1642424), (14039, 1547896), (18209, 1193416), (21311, 1019704), (26462, 821212), (27641, 786184), (28078, 773948), (29329, 740936), (36418, 596708), (42622, 509852), (52924, 410606), (55282, 393092), (56156, 386974), (58658, 370468), (72836, 298354), (85244, 254926), (92617, 234632), (98273, 221128), (105848, 205303), (110564, 196546), (112312, 193487), (117316, 185234), (127463, 170488), (145672, 149177)]