21315531168

素因数分解:

$2^5\times 3^2\times {\mathrm{97}}^1\times {\mathrm{763013}}^1$

素因数の和:763126

約数の個数: 72

約数和(自身を含む): 61241029668

約数和(自身を除く): 39925498500

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 97, 144, 194, 288, 291, 388, 582, 776, 873, 1164, 1552, 1746, 2328, 3104, 3492, 4656, 6984, 9312, 13968, 27936, 763013, 1526026, 2289039, 3052052, 4578078, 6104104, 6867117, 9156156, 12208208, 13734234, 18312312, 24416416, 27468468, 36624624, 54936936, 73249248, 74012261, 109873872, 148024522, 219747744, 222036783, 296049044, 444073566, 592098088, 666110349, 888147132, 1184196176, 1332220698, 1776294264, 2368392352, 2664441396, 3552588528, 5328882792, 7105177056, 10657765584, 21315531168]

約数ペア:

[(1, 21315531168), (2, 10657765584), (3, 7105177056), (4, 5328882792), (6, 3552588528), (8, 2664441396), (9, 2368392352), (12, 1776294264), (16, 1332220698), (18, 1184196176), (24, 888147132), (32, 666110349), (36, 592098088), (48, 444073566), (72, 296049044), (96, 222036783), (97, 219747744), (144, 148024522), (194, 109873872), (288, 74012261), (291, 73249248), (388, 54936936), (582, 36624624), (776, 27468468), (873, 24416416), (1164, 18312312), (1552, 13734234), (1746, 12208208), (2328, 9156156), (3104, 6867117), (3492, 6104104), (4656, 4578078), (6984, 3052052), (9312, 2289039), (13968, 1526026), (27936, 763013)]