21699612

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1481}}^1$

素因数の和:1539

約数の個数: 72

約数和(自身を含む): 61497072

約数和(自身を除く): 39797460

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1332, 1481, 1628, 2442, 2962, 3663, 4443, 4884, 5924, 7326, 8886, 13329, 14652, 16291, 17772, 26658, 32582, 48873, 53316, 54797, 65164, 97746, 109594, 146619, 164391, 195492, 219188, 293238, 328782, 493173, 586476, 602767, 657564, 986346, 1205534, 1808301, 1972692, 2411068, 3616602, 5424903, 7233204, 10849806, 21699612]

約数ペア:

[(1, 21699612), (2, 10849806), (3, 7233204), (4, 5424903), (6, 3616602), (9, 2411068), (11, 1972692), (12, 1808301), (18, 1205534), (22, 986346), (33, 657564), (36, 602767), (37, 586476), (44, 493173), (66, 328782), (74, 293238), (99, 219188), (111, 195492), (132, 164391), (148, 146619), (198, 109594), (222, 97746), (333, 65164), (396, 54797), (407, 53316), (444, 48873), (666, 32582), (814, 26658), (1221, 17772), (1332, 16291), (1481, 14652), (1628, 13329), (2442, 8886), (2962, 7326), (3663, 5924), (4443, 4884)]