21450701830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1\times {\mathrm{4153}}^1$

素因数の和:5521

約数の個数: 64

約数和(自身を含む): 42702588288

約数和(自身を除く): 21251886458

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1321, 1955, 2642, 3910, 4153, 6605, 8306, 13210, 20765, 22457, 30383, 41530, 44914, 60766, 70601, 95519, 112285, 141202, 151915, 191038, 224570, 303830, 353005, 477595, 516511, 706010, 955190, 1033022, 1623823, 2582555, 3247646, 5165110, 5486113, 8119115, 10972226, 16238230, 27430565, 54861130, 93263921, 126180599, 186527842, 252361198, 466319605, 630902995, 932639210, 1261805990, 2145070183, 4290140366, 10725350915, 21450701830]

約数ペア:

[(1, 21450701830), (2, 10725350915), (5, 4290140366), (10, 2145070183), (17, 1261805990), (23, 932639210), (34, 630902995), (46, 466319605), (85, 252361198), (115, 186527842), (170, 126180599), (230, 93263921), (391, 54861130), (782, 27430565), (1321, 16238230), (1955, 10972226), (2642, 8119115), (3910, 5486113), (4153, 5165110), (6605, 3247646), (8306, 2582555), (13210, 1623823), (20765, 1033022), (22457, 955190), (30383, 706010), (41530, 516511), (44914, 477595), (60766, 353005), (70601, 303830), (95519, 224570), (112285, 191038), (141202, 151915)]