21681264

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{3733}}^1$

素因数の和:3766

約数の個数: 60

約数和(自身を含む): 61581128

約数和(自身を除く): 39899864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 363, 484, 528, 726, 968, 1452, 1936, 2904, 3733, 5808, 7466, 11199, 14932, 22398, 29864, 41063, 44796, 59728, 82126, 89592, 123189, 164252, 179184, 246378, 328504, 451693, 492756, 657008, 903386, 985512, 1355079, 1806772, 1971024, 2710158, 3613544, 5420316, 7227088, 10840632, 21681264]

約数ペア:

[(1, 21681264), (2, 10840632), (3, 7227088), (4, 5420316), (6, 3613544), (8, 2710158), (11, 1971024), (12, 1806772), (16, 1355079), (22, 985512), (24, 903386), (33, 657008), (44, 492756), (48, 451693), (66, 328504), (88, 246378), (121, 179184), (132, 164252), (176, 123189), (242, 89592), (264, 82126), (363, 59728), (484, 44796), (528, 41063), (726, 29864), (968, 22398), (1452, 14932), (1936, 11199), (2904, 7466), (3733, 5808)]