21109950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:863

約数の個数: 96

約数和(自身を含む): 61305600

約数和(自身を除く): 40195650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 90, 95, 114, 135, 150, 171, 190, 225, 270, 285, 342, 450, 475, 513, 570, 675, 823, 855, 950, 1026, 1350, 1425, 1646, 1710, 2469, 2565, 2850, 4115, 4275, 4938, 5130, 7407, 8230, 8550, 12345, 12825, 14814, 15637, 20575, 22221, 24690, 25650, 31274, 37035, 41150, 44442, 46911, 61725, 74070, 78185, 93822, 111105, 123450, 140733, 156370, 185175, 222210, 234555, 281466, 370350, 390925, 422199, 469110, 555525, 703665, 781850, 844398, 1111050, 1172775, 1407330, 2110995, 2345550, 3518325, 4221990, 7036650, 10554975, 21109950]

約数ペア:

[(1, 21109950), (2, 10554975), (3, 7036650), (5, 4221990), (6, 3518325), (9, 2345550), (10, 2110995), (15, 1407330), (18, 1172775), (19, 1111050), (25, 844398), (27, 781850), (30, 703665), (38, 555525), (45, 469110), (50, 422199), (54, 390925), (57, 370350), (75, 281466), (90, 234555), (95, 222210), (114, 185175), (135, 156370), (150, 140733), (171, 123450), (190, 111105), (225, 93822), (270, 78185), (285, 74070), (342, 61725), (450, 46911), (475, 44442), (513, 41150), (570, 37035), (675, 31274), (823, 25650), (855, 24690), (950, 22221), (1026, 20575), (1350, 15637), (1425, 14814), (1646, 12825), (1710, 12345), (2469, 8550), (2565, 8230), (2850, 7407), (4115, 5130), (4275, 4938)]