21836925

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 46604160

約数和(自身を除く): 24767235

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 27, 33, 45, 51, 55, 75, 85, 99, 135, 153, 165, 173, 187, 225, 255, 275, 297, 425, 459, 495, 519, 561, 675, 765, 825, 865, 935, 1275, 1485, 1557, 1683, 1903, 2295, 2475, 2595, 2805, 2941, 3825, 4325, 4671, 4675, 5049, 5709, 7425, 7785, 8415, 8823, 9515, 11475, 12975, 14025, 14705, 17127, 23355, 25245, 26469, 28545, 32351, 38925, 42075, 44115, 47575, 51381, 73525, 79407, 85635, 97053, 116775, 126225, 132345, 142725, 161755, 220575, 256905, 291159, 397035, 428175, 485265, 661725, 808775, 873477, 1284525, 1455795, 1985175, 2426325, 4367385, 7278975, 21836925]

約数ペア:

[(1, 21836925), (3, 7278975), (5, 4367385), (9, 2426325), (11, 1985175), (15, 1455795), (17, 1284525), (25, 873477), (27, 808775), (33, 661725), (45, 485265), (51, 428175), (55, 397035), (75, 291159), (85, 256905), (99, 220575), (135, 161755), (153, 142725), (165, 132345), (173, 126225), (187, 116775), (225, 97053), (255, 85635), (275, 79407), (297, 73525), (425, 51381), (459, 47575), (495, 44115), (519, 42075), (561, 38925), (675, 32351), (765, 28545), (825, 26469), (865, 25245), (935, 23355), (1275, 17127), (1485, 14705), (1557, 14025), (1683, 12975), (1903, 11475), (2295, 9515), (2475, 8823), (2595, 8415), (2805, 7785), (2941, 7425), (3825, 5709), (4325, 5049), (4671, 4675)]