21937300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 162

約数和(自身を含む): 62512926

約数和(自身を除く): 40575626

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 37, 44, 49, 50, 55, 70, 74, 77, 98, 100, 110, 121, 140, 148, 154, 175, 185, 196, 220, 242, 245, 259, 275, 308, 350, 370, 385, 407, 484, 490, 518, 539, 550, 605, 700, 740, 770, 814, 847, 925, 980, 1036, 1078, 1100, 1210, 1225, 1295, 1540, 1628, 1694, 1813, 1850, 1925, 2035, 2156, 2420, 2450, 2590, 2695, 2849, 3025, 3388, 3626, 3700, 3850, 4070, 4235, 4477, 4900, 5180, 5390, 5698, 5929, 6050, 6475, 7252, 7700, 8140, 8470, 8954, 9065, 10175, 10780, 11396, 11858, 12100, 12950, 13475, 14245, 16940, 17908, 18130, 19943, 20350, 21175, 22385, 23716, 25900, 26950, 28490, 29645, 31339, 36260, 39886, 40700, 42350, 44770, 45325, 53900, 56980, 59290, 62678, 71225, 79772, 84700, 89540, 90650, 99715, 111925, 118580, 125356, 142450, 148225, 156695, 181300, 199430, 219373, 223850, 284900, 296450, 313390, 398860, 438746, 447700, 498575, 592900, 626780, 783475, 877492, 997150, 1096865, 1566950, 1994300, 2193730, 3133900, 4387460, 5484325, 10968650, 21937300]

約数ペア:

[(1, 21937300), (2, 10968650), (4, 5484325), (5, 4387460), (7, 3133900), (10, 2193730), (11, 1994300), (14, 1566950), (20, 1096865), (22, 997150), (25, 877492), (28, 783475), (35, 626780), (37, 592900), (44, 498575), (49, 447700), (50, 438746), (55, 398860), (70, 313390), (74, 296450), (77, 284900), (98, 223850), (100, 219373), (110, 199430), (121, 181300), (140, 156695), (148, 148225), (154, 142450), (175, 125356), (185, 118580), (196, 111925), (220, 99715), (242, 90650), (245, 89540), (259, 84700), (275, 79772), (308, 71225), (350, 62678), (370, 59290), (385, 56980), (407, 53900), (484, 45325), (490, 44770), (518, 42350), (539, 40700), (550, 39886), (605, 36260), (700, 31339), (740, 29645), (770, 28490), (814, 26950), (847, 25900), (925, 23716), (980, 22385), (1036, 21175), (1078, 20350), (1100, 19943), (1210, 18130), (1225, 17908), (1295, 16940), (1540, 14245), (1628, 13475), (1694, 12950), (1813, 12100), (1850, 11858), (1925, 11396), (2035, 10780), (2156, 10175), (2420, 9065), (2450, 8954), (2590, 8470), (2695, 8140), (2849, 7700), (3025, 7252), (3388, 6475), (3626, 6050), (3700, 5929), (3850, 5698), (4070, 5390), (4235, 5180), (4477, 4900)]