21462165

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 38811960

約数和(自身を除く): 17349795

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 269, 405, 591, 807, 985, 1345, 1773, 2421, 2955, 4035, 5319, 7263, 8865, 12105, 15957, 21789, 26595, 36315, 52993, 79785, 108945, 158979, 264965, 476937, 794895, 1430811, 2384685, 4292433, 7154055, 21462165]

約数ペア:

[(1, 21462165), (3, 7154055), (5, 4292433), (9, 2384685), (15, 1430811), (27, 794895), (45, 476937), (81, 264965), (135, 158979), (197, 108945), (269, 79785), (405, 52993), (591, 36315), (807, 26595), (985, 21789), (1345, 15957), (1773, 12105), (2421, 8865), (2955, 7263), (4035, 5319)]