21571000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 57620160

約数和(自身を除く): 36049160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 37, 40, 44, 50, 53, 55, 74, 88, 100, 106, 110, 125, 148, 185, 200, 212, 220, 250, 265, 275, 296, 370, 407, 424, 440, 500, 530, 550, 583, 740, 814, 925, 1000, 1060, 1100, 1166, 1325, 1375, 1480, 1628, 1850, 1961, 2035, 2120, 2200, 2332, 2650, 2750, 2915, 3256, 3700, 3922, 4070, 4625, 4664, 5300, 5500, 5830, 6625, 7400, 7844, 8140, 9250, 9805, 10175, 10600, 11000, 11660, 13250, 14575, 15688, 16280, 18500, 19610, 20350, 21571, 23320, 26500, 29150, 37000, 39220, 40700, 43142, 49025, 50875, 53000, 58300, 72875, 78440, 81400, 86284, 98050, 101750, 107855, 116600, 145750, 172568, 196100, 203500, 215710, 245125, 291500, 392200, 407000, 431420, 490250, 539275, 583000, 862840, 980500, 1078550, 1961000, 2157100, 2696375, 4314200, 5392750, 10785500, 21571000]

約数ペア:

[(1, 21571000), (2, 10785500), (4, 5392750), (5, 4314200), (8, 2696375), (10, 2157100), (11, 1961000), (20, 1078550), (22, 980500), (25, 862840), (37, 583000), (40, 539275), (44, 490250), (50, 431420), (53, 407000), (55, 392200), (74, 291500), (88, 245125), (100, 215710), (106, 203500), (110, 196100), (125, 172568), (148, 145750), (185, 116600), (200, 107855), (212, 101750), (220, 98050), (250, 86284), (265, 81400), (275, 78440), (296, 72875), (370, 58300), (407, 53000), (424, 50875), (440, 49025), (500, 43142), (530, 40700), (550, 39220), (583, 37000), (740, 29150), (814, 26500), (925, 23320), (1000, 21571), (1060, 20350), (1100, 19610), (1166, 18500), (1325, 16280), (1375, 15688), (1480, 14575), (1628, 13250), (1850, 11660), (1961, 11000), (2035, 10600), (2120, 10175), (2200, 9805), (2332, 9250), (2650, 8140), (2750, 7844), (2915, 7400), (3256, 6625), (3700, 5830), (3922, 5500), (4070, 5300), (4625, 4664)]